高颜值极品空姐性感床照欣赏冲素材公社
再来说说雅马哈XMAX 300吧。这家伙在质量稳定性上可是有着不错的口碑,可靠性高,让你骑行无忧。而且,它的保值率也相对较高,后期跌价幅度可能小于佛莎。目前市场优惠力度也挺大,价格在45,000到46,000元之间,性价比相当不错。
2024年12月29日,这里处于云南与西藏交界处,是着名的进藏线丙察察的起点,有着名的怒江第一湾和桃花岛以及原始的村庄秋那桶,还有仍在使用的茶马古道。
高颜值极品空姐性感床照欣赏冲素材公社
然而她却忽然在2019年参加了一次活动后再没声息了直到2023年她忽然在社交平台活跃起来发了视频动态
辽宁【丹东】而在内饰方面,星瑞同样表现出色。车内大量软质材料的覆盖,高级皮革和精细缝线工艺的使用,都让人坐进去就能感受到那种舒适和豪华。座椅的设计符合人体工程学,不仅提供良好的支撑和包裹感,还具备多向调节、加热等功能,确保长途驾驶也能保持舒适。
kebenshangdetashiyigeliaobuqidefamingjia,cailunsuogaijindezaozhishudequehenliaobuqi。bubianban1—6nianjishuxueshangceqimozhishidianhuizong2019-01-13 08:59·zhongguojiaoyuxinwenwangyinianjidiyidanyuanzhunbeike1、 shuyishushushu:shushushi,anyidingdeshunxushu,cong1kaishi,shudaozuihouyigewutisuoduiyingdenageshu,jizuihoushudaoji,jiushizhezhongwutidezonggeshu。2、 biduoshaotongyangduo:dangliangzhongwutiyiyiduiyinghou,dumeiyoushengyushi,jiushuozheliangzhongwutideshuliangtongyangduo。biduoshao:dangliangzhongwutiyiyiduiyinghou,qizhongyizhongwutiyoushengyu,youshengyudenazhongwutiduo,meiyoushengyudenazhongwutishao。bijiaoliangzhongwutideduohuoshaoshi,keyiyongyiyiduiyingdefangfa。dierdanyuanweizhi1、 renshishang、xiatihuishang、xiadehanyi:conglianggewutideweizhilijie:shangshizhizaigaochudewuti,xiashizhizaidichudewuti。2、 renshiqian、houtihuiqian、houdehanyi:yibanzhimianduidefangxiangjiushiqian,beiduidefangxiangjiushihou。tongyiwuti,xiangduiyubutongdecanzhaowu,qianhouweizhiguanxiyehuifashengbianhua。congerdechu:quedinglianggeyishangwutideqianhouweizhiguanxishi,yaozhaozhuncanzhaowu,xuanzedecanzhaowubutong,xiangduideqianhouweizhiguanxiyehuifashengbianhua。3、 renshizuo、youyizijidezuoshou、youshousuozaideweizhiweibiaozhun,quedingzuobianheyoubian。youshousuozaideyibianweiyoubian,zuoshousuozaideyibianweizuobian。yaodiantishi:zaiquedingzuoyoushi,chuteshuyaoqiu,yibanyiguanchazhedezuoyouweizhun。disandanyuan1-5derenshihejiajianfayi、 1--5derenshi1、1—5geshudehanyi:meigeshudukeyibiaoshibutongwutideshuliang。youjigewutijiuyongjilaibiaoshi。2、1—5geshudeshuxucongqianwanghoushu:1、2、3、4、5.conghouwangqianshu:5、4、3、2、1.3、1—5geshudexiefa:genjumeigeshuzidexingzhuang,anshuzizaitianzigezhongdeweizhi,renzhen、gongzhengdijinxingshuxie。er、bidaxiao1、qianmiandeshudengyuhoumiandeshu,yong“=”biaoshi,ji3=3,duzuo3dengyu3。qianmiandeshudayuhoumiandeshu,yong“>”biaoshi,ji3>2,duzuo3dayu2。qianmiandeshuxiaoyuhoumiandeshu,yong“<”biaoshi,ji3<4,duzuo3xiaoyu4。2、tian“>”huo“<”shi,kaikouduidashu,jianjiaoduixiaoshu。san、diji1、quedingwutidepailieshunxushi,xianquedingshushudefangxiang,ranhoucong1kaishidianshu,shudaoji,tadeshunxujiushi“diji”。dijizhideshiqizhongdemouyige。2、qufen“jige”he“diji”“jige”biaoshiwutideduoshao,er“diji”zhibiaoshiqizhongdeyigewuti。si、fenyuheshudezucheng:yigeshu(1chuwai)fenchengjiheji,xianbazhegeshufencheng1heji,yicifendaojihe1weizhi。liru:5dezuchengyou1he4,2he3,3he2,4he1.bayigeshufenchengjihejishi,yaoyouxudijinxingfenjie,fangzhizhongfuhuoyilou。wu、jiafa1、jiafadehanyi:baliangbufenhezaiyiqi,qiuyigongyouduoshao,yongjiafajisuan。2、jiafadejisuanfangfa:jisuan5yineishudejiafa,keyicaiyongdianshu、jiezhuoshu、shudezuchengdengfangfa。qizhongyongshudezuchengjisuanshizuichangyongdefangfa。liu、jianfa1、jianfadehanyi:congzongshuliqudiao(jiandiao)yibufen,qiuhuanshengduoshaoyongjianfajisuan。2、jianfadejisuanfangfa:jisuanjianfashi,keyiyongdaozhuoshu、shudefencheng、xiangjiasuanjiandefangfalaijisuan。qi、01、0deyiyi:0biaoshiyigewutiyemeiyou,yebiaoshiqidian。2、0dedufa:0duzuo:ling3、0dexiefa:xie0shi,yaocongshangdaoxia,congzuodaoyou,qibichuheshoubichuyaoxianglian,bingqieyaoxieyuanhua,bunengyoulengjiao。4、0dejia、jianfa:renheshuyu0xiangjiadudezhegeshu,renheshuyu0xiangjiandudezhegeshu,xiangtongdelianggeshuxiangjiandengyu0.ru:0+8=8 9-0=9 4-4=0disidanyuanrenshituxing1、changfangtidetezheng:changchangfangfangde,you6gepingpingdemian,mianyoudayouxiao。rutu:2、zhengfangtidetezheng:sisifangfangde,you6gepingpingdemian,miandedaxiaoyiyang。rutu:3、yuanzhudetezheng:zhizhide,shangxiayiyangcu,shangxialianggeyuanmiandaxiaoyiyang。fangzaizhuozishangnenggundong。lizaizhuozishangbunenggundong。rutu:4、qiudetezheng:yuanyuande,henguanghua,tadebiaomianshiqumian。fangzaizhuozishangnengxiangrenyifangxianggundong。5、litituxingdepinbai:yongchangfangtihuozhengfangtinengpinzuchubutongxingzhuangdelitituxing,zaipinhaodelitituxingzhong,youyixiebuweicongyigejiaodushikanbudaode,yaocongduogejiaoduquguancha。yongxiaoyuanzhukeyipinchenggengdadeyuanzhu。diwudanyuan6-10derenshihejiajianfayi、6—10derenshi:1、shushu:genjuwutidegeshu,keyiyong6—10geshulaibiaoshi。shushushi,congqianwanghoushuyejiushicongxiaowangdashu。2、10yineishudeshunxu:(1)congqianwanghoushu:0、1、2、3、4、5、6、7、8、9、10。(2)conghouwangqianshu:10、9、8、7、6、5、4、3、2、1、0。3、bijiaodaxiao:anzhaoshudeshunxu,houmiandeshuzongshibiqianmiandeshuda。4、xushuhanyi:yonglaibiaoshiwutidecixu,jidijige。5、shudezucheng:yigeshu(0、1chuwai)keyiyoulianggebitaxiaodeshuzucheng。ru:10you9he1zucheng。jiyishudezuchengshi,keyouyizushuxiangdaodiaohuanweizhidelingyizu。er、6—10dejiajianfa1、10yineijiajianfadejisuanfangfa:genjushudezuchenglaijisuan。2、yitusishi:genjuyifutudesikaojiaodubutong,kexiechuliangdaojiafasuanshiheliangdaojianfasuanshi。3、“dakuohao”xiamianyouwenhaoshiqiubaliangbufenhezaiyiqi,yongjiafajisuan。“dakuohao ”shangmiandeyiceyouwenhaoshiqiucongzongshuzhongqudiaoyibufen,huanshengduoshao,yongjianfajisuan。san、lianjialianjian1、lianjiadejisuanfangfa:jisuanlianjiashi,ancongzuodaoyoudeshunxujinxing,xiansuanqianlianggeshudehe,zaiyudisangeshuxiangjia。2、lianjiandejisuanfangfa:jisuanlianjianshi,ancongzuodaoyoudeshunxujinxing,xiansuanqianlianggeshudecha,zaiyongsuodedeshujianqudisangeshu。si、jiajianhunhejiajianhunhedejisuanfangfa:jisuanshi,ancongzuodaoyoudeshunxujinxing,xianbaqianlianggeshuxiangjia(huoxiangjian),zaiyongdeshuyudisangeshuxiangjian(huoxiangjia)。diliudanyuan11-20geshuderenshi1、shushu:genjuwutidegeshu,keyiyong11—20geshulaibiaoshi。2、shudeshunxu:11—20geshudeshunxushi:11、12、13、14、15、16、17、18、19、20、3、bijiaodaxiao:keyigenjushudeshunxubijiao,houmiandeshuzongbiqianmiandeshuda,huozheliyongshudezuchengjinxingbijiao。4、11—20geshudezucheng:dushiyou1geshihejigeyizuchengde,20you2geshizuchengde。ru:1geshihe5geyizucheng15。5、shuwei:congyoubianqidiyiweishigewei,dierweishishiwei。6、11—20geshudedufa:conggaoweiduqi,shiweishangshijijiudujishi,geweishangshijijiuduji。20dedufa,20duzuo:ershi。7、xieshu:xieshushi,duizhaoshuweixie,you1geshijiuzaishiweishangxie1,you2geshijiuzaishiweishangxie2.youjigeyi,jiuzaigeweishangxieji,geweishangyigedanweiyemeiyou,jiuxie0zhanwei。8、shijiaji、shijijiajiyuxiangyingdejianfa(1)、10jiajihexiangyingdejianfadejisuanfangfa:10jiajideshiji,shijijianjideshi,shijijianshideji。ru:10+5=15 17-7=10 18-10=8(2)、shijijiajihexiangyingdejianfadejisuanfangfa:jisuanshijijiajihexiangyingdejianfashi,keyiliyongshudezuchenglaijisuan,yekeyibageweishangdeshuxiangjiahuoxiangjian,zaijiazhengshishu。(3)、jiajianfadegebufenmingcheng:zaijiafasuanshizhong,jiahaoqianmianhehoumiandeshujiaojiashu,denghaohoumiandeshujiaohe。zaijianfasuanshizhong,jianhaoqianmiandeshujiaobeijianshu,jianhaohoumiandeshujiaojianshu,denghaohoumiandeshujiaocha。9、jiejuewentiqiulianggeshuzhijianyoujigeshu,keyiyongshushufa,yekeyiyonghuatufa。huankeyiyongjisuanfa(yongdashujianxiaoshuzaijian1defangfalaijisuan)。diqidanyuanrenshizhongbiao1、renshizhongmianzhongmian:zhongmianshangyou12geshu,youshizhenhefenzhen。fenzhen:zhongmianshangyouxiyouchangdezhizhenjiaofenzhen。shizhen:zhongmianshangyoucuyouduandezhizhenjiaoshizhen。2、zhongbiaodezhonglei:richangshenghuozhongdezhongbiaoyibanfenliangzhong,yizhong:guazhong,zhongmianshangyou12geshu,fenzhenheshizhen。lingyizhong:dianzibiao,biaomianshangyoulianggedian“:”,“:”dezuobianheyoubianduyoushu。3、renshizhengshi:fenzhenzhixiang12,shizhenzhixiangjijiushijishi;dianzibiaoshang,“:”deyoubianshi“00”shibiaoshizhengshi,“:”dezuobianshijijiushijishi。4、zhengshidexiefa:zhengshidexiefayouliangzhong:xiechengjishihuodianzibiaoshuzidexingshi。ru:8shihuo8:00dibadanyuan20yineidejinweijiafa1、9jiajijisuanfangfa:jisuan9jiajidejinweijiafa,keyicaiyong“dianshu”“jiezhuoshu”“coushifa”dengfangfajinxingjisuan,qizhong“coushifa”bijiaojianbian。liyong“coushifa”jisuan9jiajishi,ba9coucheng10xuyao1,jiubajiaoxiaoshuchaicheng1heji,10jiajijiudeshiji。2、8、7、6jiajidejisuanfangfa:(1)dianshu;(2)jiezhuoshu;(3)coushifa。keyi“chaidashu、couxiaoshu”,yekeyi“chaixiaoshu、coudashu”。3、5、4、3、2jiajidejisuanfangfa:(1)“chaidashu、couxiaoshu”。(2)“chaixiaoshu、coudashu”。4、jiejuewenti(1)jiejuewentishi,keyicongbutongdejiaoduguancha、fenxi、congerzhaodaobutongdejietifangfa。(2)qiuzongshudeshijiwenti,yongjiafajisuan。ernianjidiyidanyuanchangdudanwei1、changyongdechangdudanwei:mi、limi。2、celiangjiaoduanwutitongchangyonglimizuodanwei,celiangjiaochangwutitongchangyongmizuodanwei。3、celiangwutichangdudefangfa:jiangwutidezuoduanduizhunzhichide“0”kedu,kanwutideyouduanduizhuozhichishangdekedushiji,zhegewutidechangdujiushijilimi。4、mihelimideguanxi:1mi=100limi 100limi=1mi5、xianduan⑴xianduandetedian:①xianduanshizhide;②xianduanyoulianggeduandian;③xianduanyouchangyouduan,shikeyiliangchuchangdude。⑵huaxianduandefangfa:xianyongbiduizhunchizide’0”kedu,zaitadeshangmiandianyigedian,zaiduizhunyaohuadaodechangdudelimikedu,zaitadeshangmianyedianyigedian,ranhoubazhelianggedianlianqilai,xiechuxianduandechangdu。⑶celiangwutidechangdushi,dangbushicong“0”keduliangqishi,yaoyongzhongdiandekedushujianquqidiandekedushu。6、tianshangheshidechangdudanwei。xiaomingshengao1(mi)30(limi)lianxibenkuan13(limi)qianbichang17(limi)heibanchang2(mi) tudingchang1(limi)yizhangchuangchang2(mi) yikoujingshen3(mi)xuexiaojinxing100(mi)saipaojiaoxuelougao25(mi) baobaoshengao80(limi)tiaoshengchang2(mi) yikeshugao3(mi)yibayuechichang5(limi)yigewenjuhechang24(limi)jiangtaigao90(limi)mengao2(mi) jiaoshichang12(mi)kuaizichang20(limi) yikexiaoshumiaogao1(mi)xiaopengyoudetouwei48limibabadeshengao1mi75limihuo175limixiaopengyoudeshengao120limihuo1mi20limidierdanyuan100yineidejiafahejianfayi、liangweishujialiangweishu1、liangweishujialiangweishubujinweijiafadejisuanfaze:baxiangtongshuweiduiqilieshushi,zaibaxiangtongshuweishangdeshuxiangjia。2、liangweishujialiangweishujinweijiafadejisuanfaze:①xiangtongshuweiduiqi;②conggeweijiaqi;③geweimanshixiangshiweijin1。3、bisuanliangweishujialiangweishushi,xiangtongshuweiyaoduiqi,conggeweijiaqi,geweimanshiyaoxiangshiweijin“1”,shiweishangdeshuxiangjiashi,buyaoyiloujinshanglaide“1”。4、he = jiashu + jiashuyigejiashu = he - lingyigejiashuer、liangweishujianliangweishu1、liangweishujianliangweishubutuiweijiandebisuan:xiangtongshuweiduiqilieshushi,zaibaxiangtongshuweishangdeshuxiangjian。2、liangweishujianliangweishutuiweijiandebisuanfaze:①xiangtongshuweiduiqi;②conggeweijianqi;③geweibugoujian,congshiweitui1,zaigeweishangjia10zaijian。3、bisuanliangweishujianliangweishushi,xiangtongshuweiyaoduiqi,conggeweijianqi,geweibugoujian,congshiweitui1,geweijia10zaijian,shiweijisuanshiyaoxianjianqutuizoude1zaisuan。4、cha=beijianshu-jianshubeijianshu=jianshu + chajianshu=beijianshu-chasan、lianjia、lianjianhejiajianhunhe1、lianjia、lianjianlianjia、lianjiandebisuanshunxuhelianjia、lianjiandekousuanshunxuyiyang,dushicongzuowangyouyicijisuan。①lianjiajisuankeyifenbujisuan,yekeyixiechengyigeshushijisuan,jisuanfangfayulianggeshuxiangjiayiyang,duyaobaxiangtongshuweiduiqi,conggeweijiaqi。②lianjianyunsuankeyifenbujisuan,yekeyixiechengyigeshushijisuan,jisuanfangfayulianggeshuxiangjianyiyang,duyaobaxiangtongshuweiduiqi,conggeweijianqi。2、jiajianhunhejia、jianhunhesuanshi,qiyunsuanshunxu、shushixiefaduyulianjia、lianjianxiangtong。3、jiajianhunheyunsuanxieshushishikeyifenbujisuan,fangfayulianggeshuxiangjia(jian)yiyang,yaobaxiangtongshuweiduiqi,conggeweisuanqi;yekeyiyongjianbiandexiefa,liechengyigeshushi,xianwanchengdiyibujisuan,zaiyongdiyibudejieguojia(jian)diergeshu。si、jiejuewenti(yingyongti)1、 buzhou:①xianduti ②liehengshi,xiejieguo,qianwanbiewangjixiedanwei(danweiwei:duoshaohuozhejihoumiandenagezihuoci)③zuoda。2、qiu“yigeyizhishu”bi“lingyigeyizhishu”duoduoshao、shaoduoshao?yongjianfajisuan。yong“bi”ziliangbiandejiaodashujianqujiaoxiaoshu。3、biyigeshuduoji、shaoji,qiuzhegeshudewenti。xiantongguoguanjianjufenxi,“bi”ziqianmianshidashuhuanshixiaoshu,“bi”zihoumianshidashuhuanshixiaoshu,wentilimianyaoqiudashuhuanshixiaoshu,qiudashuyongjiafa,qiuxiaoshuyongjianfa。4、guanyutiwentidetimu,keyizheyangtiwen:①…….he……yigong…….?②……bi……..duoduoshao/ji……?③……bi……..shaoduoshao/ji……?disandanyuanjiaodechuburenshi1、jiaodechuburenshi(1)jiaoshiyouyigedingdianheliangtiaobianzuchengde;(2)huajiaodefangfa:congyigedianqi,yongchizixiangbutongdefangxianghualiangtiaozhixian。(3)jiaodedaxiaoyubiandechangduanmeiyouguanxi,yujiaodeliangtiaobianzhangkaidedaxiaoyouguan,jiaodeliangtiaobianzhangkaideyueda,jiaojiuyueda,jiaodeliangtiaobianzhangkaideyuexiao,jiaojiuyuexiao。2、zhijiaodechuburenshi(1)zhijiaodepanduanfangfa:yongsanjiaochishangdezhijiaobiyibi(dingdianduidingdian,yibianduiyibian,zaikanlingyitiaobianshifouzhonghe)。(2)huazhijiaodefangfa:①xianhuayigedingdian,zaicongzhegedianchufahuayitiaozhixian②yongsanjiaochishangdezhijiaodingdianduiqizhegedian,yitiaozhijiaobianduiqizhetiaoxian③zaicongzhedianchufayanzhuosanjiaochishangdelingyitiaozhijiaobianhuayitiaoxian④zuihoubiaochuzhijiaobiaozhi。(3)bizhijiaoxiaodeshiruijiao,bizhijiaodadeshidunjiao:ruijiao<zhijiao<dunjiao。(4)suoyoudezhijiaoduyiyangda(5)meigesanjiaochishangduyou1gezhijiao,lianggeruijiao。honglingjinshangyou3gejiao,qizhongyigeshidunjiao,lianggeshiruijiao。yigechangfangxingzhonghezhengfangxingzhongdushiyou4gezhijiao。disi、liudanyuanbiaoneichengfa(yi)(er)1、chengfadehanyichengfashiqiujigexiangtongjiashulianjiadehedejianbiansuanfa。ru:jisuan:2+2+2=6,yongchengfasuanjiushi:2×3=6huo3×2=6.2、chengfasuanshidexiefahedufa⑴lianjiasuanshigaixieweichengfasuanshidefangfa。qiujigexiangtongjiashudehe,keyiyongchengfajisuan。xiechengfasuanshishi,keyiyongchengfajisuan。xiechengfasuanshishi,keyixianxiexiangtongdejiashu,ranhouxiechenghao,zaixiexiangtongjiashudegeshu,zuihouxiedenghaoyulianjiadehe;yekeyixianxiexiangtongjiashudegeshu,ranhouxiechenghao,zaixiexiangtongjiashu,zuihouxiedenghaoyulianjiadehe。ru:4+4+4=12gaixiechengchengfasuanshishi4×3=12huo3×4=124 × 3 = 12 huo 3 × 4 = 12⑵chengfasuanshidedufa。duchengfasuanshishi,yaoanzhaosuanshishunxulaidu。ru:6×3=18duzuo:“6cheng3dengyu18”。3、chengfasuanshizhonggebufendemingchengjishijibiaoshideyiyizaichengfasuanshili,chenghaoqianmiandeshuhechenghaohoumiandeshudujiaozuo“chengshu”;denghaohoumiandedeshujiaozuo“ji”。4、chengfasuanshisuobiaoshideyiyiqiujigexiangtongjiashudehe,yongchengfajisuanbijiaojiandan。yidaochengfasuanshibiaoshidejiushijigexiangtongjiashulianjiadehe。ru:4×5biaoshi5ge4xiangjiahuo4ge5xiangjia。5、jiafaxiechengchengfashi,jiafadeheyuchengfadejixiangtong。6、chengfasuanshizhong,lianggechengshujiaohuanweizhi,jibubian。7、suanshigebufenmingchengjijisuangongshi。chengfa:chengshu×chengshu=jijiafa:jiashu+jiashu=hehe—jiashu=jiashujianfa:beijianshu—jianshu=chabeijianshu=cha+jianshujianshu=beijianshu—cha8、zai9dechengfakoujueli,jicheng9huo9chengji,dukekanzuojishijianji,qizhong“ji”shizhixiangtongdeshu。ru:1×9=10—1 9×5=50—59、kantu,xiechengjia、chengjiansuanshishi:chengjia:xianbaxiangtongdebufenyongchengfabiaoshi,zaijiashangbuxiangtongdebufen。chengjian:xianbameiyifendusuanchengxiangtongde,xiechengchengfa,ranhouzaibaduosuanjinqudejianqu。jisuanshi,xiansuancheng,zaisuanjiajian。ru:jiafa:3+3+3+3+2=14 chengjia:3×4+2=14 chengjian:3×5-1=1410、“jihejixiangjia”yu“jigejixiangjia”youqubieqiujihejixiangjia,yongjijiaji;ru:qiu4he3xiangjiashiduoshao?yongjiafa(4+3=7)qiujigejixiangjia,yongjichengji。ru:qiu4ge3xiangjiashiduoshao?(3+3+3+3=12huo3×4=12huo4×3=12)buchong:jihejixiangcheng,qiuji?yongji×ji. ru:2he4xiangchengyong2×4=82gechengshudushiji,qiuji?yongji×ji。ru:2ge8xiangchengyong8×8=6411、yigechengfasuanshikeyibiaoshilianggeyiyi,ru“4×2”jikeyibiaoshi“4ge2xiangjia”,yekeyibiaoshi“2ge4xiangjia”。“5+5+5”xiechengchengfasuanshishi(3×5=15)huo(5×3=15),dukeyiyongkoujue(sanwushiwu)laijisuan,biaoshi(3)ge(5)xiangjia3×5=15duzuo:3cheng5dengyu15. 5×3=15duzuo:5cheng3dengyu15diwudanyuanguanchawuti1、congbutongdejiaoduguanchatongyiwuti,suokandaodewutidexingzhuangyibanshibutongde;2、guanchawutishi,yaozhuazhuwutidetezhenglaipanduan。3、guanchachangfangtidemouyimian,kandaodekenengshichangfangxinghuozhengfangxing。guanchazhengfangxingdemouyimian,kandaodedushizhengfangxing5、guanchayuanzhuti,kandaodekenengshichangfangxinghuoyuanxing。guanchaqiuti,kandaodedushiyuanxingdiqidanyuanrenshishijian1、renshishijian(1)zhongmianshangyoushizhenhefenzhen,zoudekuaide,jiaochangdeshifenzhen;zoudemande,jiaoduandeshishizhen;(2)zhongmianshangyou12gedage,60gexiaoge,1gedageyou5gexiaoge。shizhenzou1dageshi1xiaoshi,fenzhenzou1dageshi5fenzhong。(3)shizhenzou1dagefenzhenyaozouyiquan,suoyi1shi=60fen;(4)banxiaoshi=30fen,yikezhong=15fenzhong(5)shijiandeduyuxie:ru3:30,keyiduzuo3shi30fen,yekeyiduzuo3dianban;8shiling5fenyingxiezuo8:05。2、yunyongzhishijiejuewenti(1)yaoanzhuoshijiandexianhoushunxuanpaishijian,shijianshangbunengzhongfu。(2)wenguojifenzhonghoushijishi,xianyaoduchuxianzaishijishi,zaituisuanguojifenzhonghoushijishijifen。(3)shizhenhefenzhennengxingchengzhijiaodeshikeshi3shihe9shi。dibadanyuanshuxueguangjiao--dapei1、yonglianggebutongdeshuzi(0chuwai)zuheshikeyijiaohuanlianggeshuzideweizhi;yongsangebutongdeshuzizuhechengliangweishushi,keyirangmeigeshuzi(0chuwai)zuoshiweishuzi,qiyudelianggeshuziyicihetazuhe。2、jieyonglianxianhuozhefuhaojiedawentibijiaojiandan。3、pailieyushunxuyouguan,zuheyushunxuwuguan。sannianjidiyidanyuanshifenmiao1、zhongmianshangyou3genzhen,tamenshi(shizhen)、(fenzhen)、(miaozhen),qizhongzoudezuikuaideshi(miaozhen),zoudezuimandeshi(shizhen)。2、zhongmianshangyou(12)geshuzi,(12)gedage,(60)gexiaoge;meilianggeshujianshi(1)gedage,yejiushi(5)gexiaoge。3、shizhenzou1dageshi(1)xiaoshi;fenzhenzou1dageshi(5)fenzhong,zou1xiaogeshi( 1)fenzhong;miaozhenzou1dageshi(5)miaozhong,zou1xiaogeshi(1)miaozhong。4、shizhenzou1dage,fenzhenzhenghaozou(1)quan,fenzhenzou1quanshi(60)fen,yejiushi(1)xiaoshi。shizhenzou1quan,fenzhenyaozou(12)quan。5、fenzhenzou1xiaoge,miaozhenzhenghaozou(1)quan,miaozhenzou1quanshi(60)miao,yejiushi(1)fenzhong。6、shizhencongyigeshuzoudaoxiayigeshushi(1xiaoshi)。fenzhencongyigeshuzoudaoxiayigeshushi(5fenzhong)。miaozhencongyigeshuzoudaoxiayigeshushi(5miaozhong)。7、zhongmianshangshizhenhefenzhenzhenghaochengzhijiaodeshijianyou:(3dianzheng)、(9dianzheng)。8、gongshi。(meilianggexianglindeshijiandanweizhijiandejinlvshi60)1shi=60fen 1fen=60miaobanshi=30fen 60fen=1shi60miao=1fen 30fen=banshidier、sidanyuanwanyineidejiafahejianfa(yi)(er)1、zuidadejiweishuhezuixiaodejiweishuzuidadeyiweishushi9, zuixiaodeyiweishushi0.zuidadeerweishushi99, zuixiaodeerweishushi10zuidadesanweishushi999, zuixiaodesanweishushi100zuidadesiweishushi9999, zuixiaodesiweishushi1000zuidadewuweishushi99999, zuixiaodewuweishushi10000zuidadesanweishubizuixiaodesiweishuxiao1。2、dushuhexieshu (dushushixiehanzi xieshushixiealaboshuzi)①yigeshudemoweibuguanyouyige0huojige0,zhege0dubudu。②yigeshudezhongjianyouyige0huolianxudeliangge0,duzhiduyige0。3、shudedaxiaobijiao:①weishubutongdeshubijiaodaxiao,weishuduodeshuda。②weishuxiangtongdeshubijiaodaxiao,xianbijiaozhelianggeshudezuigaoweishangdeshu,ruguozuigaoweishangdeshuxiangtong,jiubijiaoxiayiwei,yicileitui。4、qiuyigeshudejinsishu:jiyi:kanzuiweidehoumianyiwei,ruguoshi0-4zeyongsishefa,ruguoshi5-9jiuyongwurufa。zuidadesanweishushiwei999,zuixiaodesanweishushi100,zuidadesiweishushi9999,zuixiaodesiweishushi1000。zuidadesanweishubizuixiaodesiweishuxiao1。5、beijianshushisanweishudelianxutuiweijianfadeyunsuanbuzhou:① lieshushishixiangtongshuweiyidingyaoduiqi;② jianfashi,nayiweishangdeshubugoujian,congqianyiweitui1;ruguoqianyiweishi0,zezaicongqianyiweitui1。6、zaizuotishi,womenyaozhuyizhongjiande0,yinweishilianxutuiweide,suoyicongbaiweitui1daoshiweidang10hou,huanyaocongshiweitui1dang10,jiegeigewei,nameshiweizhishengxia9,erbushi10。(lianggesanweishuxiangjiadehe:kenengshisanweishu,yeyoukenengshisiweishu。)7、bisuanjiajianfashi:xiangtongshuweiyaoduiqi;conggeweisuanqi。nayiweishangdeshuxiangjiaman10,jiuxiangqianyiweijin1;nayiweishangdeshubugoujian,jiucongqianyiweitui1dangzuo10,jiabenweizaijian;ruguoqianyiweishi0,zezaicongqianyiweitui1。 (lianggesanweishuxiangjiadehe:kenengshisanweishu,yeyoukenengshisiweishu。)tebiezhuyi:zhongjianshi0detuiweijianfa,liru:309-189;1000-428deng8、⑴jiafagongshi:jiashu+lingyigejiashu=hejiafadeyansuan:①jiaohuanlianggejiashudeweizhizaisuanyibian。lingyigejiashu+jiashu=he②he-lingyigejiashu=jiashu⑵jianfagongshi:beijianshu-jianshu=chajianfadeyansuan:①cha+jianshu=beijianshu②jianshu+cha=beijianshu③beijianshu-cha=jianshutebiezhuyi:yansuanshi“yansuan”biewangliaoxie!!!disandanyuanceliang1、zaishenghuozhong,liangbijiaoduandewupin,keyiyong(haomi、limi、fenmi)zuodanwei;liangbijiaochangdewuti,changyong(mi)zuodanwei;celiangbijiaochangdeluchengyibanyong(qianmi)zuodanwei,qianmiyejiao(gongli)。2、1limidechangduliyou(10)xiaoge,meixiaogedechangdu(xiangdeng),dushi(1)haomi。3、1mei1fendeyingbi、chizi、cika、xiaoniukou、yuechidehoududayueshi1haomi。4、zaijisuanchangdushi,zhiyouxiangtongdechangdudanweicainengxiangjiajian。xiaojiqiao:huansuanchangdudanweishi,badadanweihuanchengxiaodanweijiuzaishuzidemoweitianjia0(guanxishizhongyoujige0,jiutianjige0);baxiaodanweihuanchengdadanweijiuzaishuzidemoweiqudiao0(guanxishizhongyoujige0,jiuqudiaojige0)。5、changdudanweideguanxishiyou:( meilianggexianglindechangdudanweizhijiandejinlvshi10 )① jinlvshi10:1mi=10fenmi, 1fenmi=10limi,1limi=10haomi, 10fenmi=1mi,10limi=1fenmi, 10haomi=1limi,② jinlvshi100:1mi=100limi, 1fenmi=100haomi,100limi=1mi, 100haomi=1fenmi③ jinlvshi1000:1qianmi=1000mi, 1gongli==1000mi,1000mi=1qianmi, 1000mi =1gongli6、dangwomenbiaoshiwutiyouduozhongshi,tongchangyaoyongdao(zhiliangdanwei)。zaishenghuozhong,chengbijiaoqingdewupindezhiliang,keyiyong( ke )zuodanwei;chengyibanwupindezhiliang,changyong(qianke )zuodanwei;jiliangjiaozhongdehuodazongwupindezhiliang,tongchangyong( dun )zuodanwei。xiaojiqiao:zai“dun”yu“qianke”dehuansuanzhong,badunhuansuanchengqianke,shizaishuzidemoweijiashang3ge0;baqiankehuansuanchengdun,shizaishuzidemoweiqudiao3ge0。7、xianglinlianggezhiliangdanweijinlvshi1000。1dun=1000qianke 1qianke=1000ke1000qianke= 1dun 1000ke=1qiankediwudanyuanbeiderenshi1、beideyiyi:yaozhidaolianggeshudeguanxi,xianquedingshuishi1beishu,ranhoubalingyigeshuhetazuobijiao,lingyigeshuliyoujige1beishujiushitadejibei。2、qiuyigeshushilingyigeshudejibeiyongchufa: yigeshu÷lingyigeshu=beishu3、qiuyigeshudejibeishiduoshaoyongchengfa; zhegeshu×beishu=zhegeshudejibeidiliudanyuanduoweishuchengyiweishu1、duoweishuchengyiweishu(jinwei)debisuanfangfa:xiangtongshuweiduiqi,conggeweichengqi,yongyiweishufenbiequchengduoweishumeiyiweishangdeshu,nayiweishangchengdedeshujimanjishi,jiuxiangqianyiweijinji,yunayiweixiangcheng,jijiuxiezainayiweixiamian。2、yigeyinshuzhongjianyou0dechengfa:① 0herenheshuxiangchengdude0;② yinshuzhongjianyou0,yongyiweishuquchengduoweishumeiyiweishushangdeshu,yuzhongjiande0xiangchengshi,ruguohoumianmeiyoujinshanglaideshu,zheyiweishangyaoyong0laizhanwei,ruguoyoujinshanglaideshubixujiashang。③yigeyinshumoweiyou0dechengfadejianbianjisuan:bisuanshi,keyibayiweishuyuduoweishu0qianmiannageshuziduiqi,zaikanduoweishudemoweiyoujige0,jiuzaijidemoweitianshangjige0.3、① 0herenheshuxiangchengdude0;② 1herenhebushi0deshuxiangchenghuandeyuanlaideshu。4、sanweishuchengyiweishu:jiyoukenengshisanweishu,yeyoukenengshisiweishu。gongshi:sudu×shijian=luchengmeijiechexiangderenshu×chexiangdeshuliang=quanchederenshulucheng÷shijian=sudulucheng÷sudu=shijian5、(guanyu“dayue)yingyongti:wentizhongchuxian“dayue”、“yue”、“guyigu”、 “gusuan”、 “gujiyixia”,tiaojianzhongwulunyoumeiyoudayuedushiqiujinsishu,yonggusuan。(gusuanshiyaoyong ≈)li:387×5≈ba387kanzuo390(geweishi7,sishewuru,7dayu5suoyijin1,kanzuo390)zaisuan390×5=1950.suoyi:387×5≈1950diqidanyuanchangfangxinghezhengfangxing1、you4tiaozhidebianhe4gejiaodefengbituxingwomenjiaotasibianxing。2、sibianxingdetedian:yousitiaozhidebian,yousigejiao。3、changfangxingdetedian:changfangxingyouliangtiaochang,liangtiaokuan,sigejiaodushizhijiao,duibianxiangdeng。4、zhengfangxingdetedian:you4gezhijiao,4tiaobianxiangdeng。5、changfangxinghezhengfangxingshiteshudepingxingsibianxing。6、pingxingsibianxingdetedian:①duibianxiangdeng、duijiaoxiangdeng。②pingxingsibianxingrongyibianxing。(sanjiaoxingburongyibianxing)7、fengbituxingyizhoudechangdu,jiushitadezhouchang。8、gongshi:changfangxingdezhouchang=(chang+kuan)×2bianshi:①changfangxingdechang=zhouchang÷2-kuan②changfangxingdekuan=zhouchang÷2-changzhengfangxingdezhouchang=bianchang×4bianshi: zhengfangxingdebianchang=zhouchang÷4dibadanyuanfenshudechuburenshi1、fenshudeyiyi:bayigezhengtipingjunfenchengruoganfen,biaoshijifenjiushizhegezhengtidejifenzhiji,suofendefenshuzuofenmu,suoqudefenshuzuofenzi。fenzibiaoshi:qizhongdejifenfenmubiaoshi:pingjunfenchengjifen2、jifenzhiyi:bayigewutihuoyigetuxingpingjunfenchengjifen,meiyifenjiushitadejifenzhiyi。jifenzhiji:bayigewutihuoyigetuxingpingjunfenchengjifen,quqizhongdejifen,jiushizhegewutihuotuxingdejifenzhiji。3、bayigezhengtipingjunfendedefenshuyueduo,tademeiyifensuobiaoshideshujiuyuexiao。4,bijiaodaxiaodefangfa:①dangfenzixiangtongshi,fenmuyuexiaofenshuyueda,fenmuyuedafenshuyuexiao。② dangfenmuxiangtongshi,fenzidadefenshujiuda,fenzixiaodefenshujiuxiao。5、fenshujiajianfa:①xiangtongfenmudefenshujia、jianfadejisuanfangfa:fenmububian,fenzixiangjia、jian。② 1jianjifenzhijidejisuanfangfa:jisuan1jianjifenzhijishi,xianba1xiechengyujianshufenmuxiangtongdefenshu,zaijisuan。(1keyikanzuosuoyoufenzifenmuxiangtongdefenshu)6,qiuyigeshushilingyigeshudejifenzhijishiduoshaodejisuanfangfa:li:ba12geyuande3/4yougeyuan;fenxi:xianzhaozhengti12;zaizhaofenmu4,biaoshipingjunfencheng4fen;qiuchu12÷4=3,biaoshimeiyifenyou3ge;zuihouzhaofenzi3,biaoshiqizhongde3fen,suoyi:3×3=9;suoyiba12geyuande3/4you9geyuan。sinianjidiyidanyuandashuderenshi1. 10geyiwanshishiwan,10geshiwanshiyibaiwan,10geyibaiwanshiyiqianwan,10geyiqianwanshiyiyi。xianglinlianggejishudanweizhijiandejinlvshi“shi” ,zhezhongjishufangfajiaozuoshijinzhijishufa。tebiezhuyi:jishudanweiyushuweidequbie。2、zaiyongshuzibiaoshishudeshihou,zhexiejishudanweiyaoanzhaoyidingdeshunxupailieqilai,tamensuozhandeweizhijiaozuoshuwei。3、weishu:yigeshuhanyoujigeshuwei,jiushijiweishu,ru652100shigeliuweishu。4、anzhaowoguodejishuxiguan,congyoubianqi,meisigeshuweishiyiji。6、yiyishangshudedufa:① xianfenji,conggaoweikaishiduqi。xianduyiji,zaiduwanji,zuihoudugeji。② yijideshuyaoanzhaogejideshudedufalaidu,zaizaihoumianjiashangyige“yi”zi。wanjideshuyaoanzhaogejideshudedufalaidu,zaizaihoumianjiashangyige“wan”zi。③ meijimoweibuguanyoujige0,dubudu。qitashuweiyouyige“0”huolianxujige“0”,duzhiduyige“0”。7、yiyishangshudexiefa:① congzuigaoweixieqi,xianxieyiji,zaixiewanji,zuihouxiegeji。② nageshuweishangyigedanweiyemeiyou,jiuzainageshuweishangxie0。8、bijiaoshudedaxiao:① weishubutongdelianggeshu,weishuduodeshubijiaoda。② weishuxiangtongdelianggeshu,congzuigaoweikaishibijiao。9、qiujinsishu:shengluewanweihoumiandeweishu,yaokanqianweishangdeshu;shenglueyiweihoumiandeweishu,yaokanqianwanweishangdeshu。zhezhongqiujinsishudefangfajiao“sishewurufa”,shi“she”huanshi“ru”,yaokanshengluedeweishuzuigaoweishangdeshushixiaoyu5 huanshidengyuhuodayu5 。xiaoyu5jiushequweishu,dengyuhuodayu5jiuxiangqianyiweijin1,zaishequweishu。10、biaoshiwutigeshu:1,2 ,3, 4, 5 ,6 ,7 ,8 ,9 ,10, ……. dushiziranshu。yigewutiyemeiyou,yong0laibiaoshi, 0yeshiziranshu。suoyoudeziranshudushizhengshu。11、zuixiaodeziranshushi0,meiyouzuidadeziranshu,ziranshudegeshushiwuxiande。12、meixianglindelianggejishudanweizhijiandejinlvdushishi,zhezhongjishufangfajiaozuoshijinzhijishufa。13、ON╱CE:kaiguanjiqingchupingjian,qingchuxianshipingshangdeneirong。AC:qingchujian,qingchusuoyouneirong。dierdanyuangongqinghepingfangqianmi1、bianchangshi100midezhengfangxingmianjishi1gongqing。1gongqing = 10000pingfangmi2、bianchangshi1qianmidezhengfangxingmianjishi1pingfangqianmi。1pingfangqianmi = 1000000pingfangmi1pingfangqianmi=100gongqing3、congdadanweibiandaoxiaodanwei,chengyijinlv。congxiaodanweibiandaodadanwei,chuyijinlv。4、guotumianji(zhongguo、sheng、shi、qudeng)、haiyangmianjidengtebiedademianjishiheyongpingfangqianmi。ru:xianggangtebiexingzhengqudemianjiyue1100。guangchang、xiaoyuandengshaodatudimianjishiheyonggongqing。rutiananmenguangchangdezhandimianjidayueshi44;caochang、jiaoshidengjiaoxiaodemianjishiheyongpingfangmi。ruyigejiaoshidemianjiyue60;5、changfangxingmianji = chang × kuanzhengfangxingmianji = bianchang × bianchangdisandanyuanjiaodeduliang1、zhixian、shexian、xianduanzhixian:keyixiangliangduanwuxianyanshen,meiyouduandian。shexian:keyixiangyiduanwuxianyanshen,zhiyouyigeduandian。xianduan:bunengyanshen,youlianggeduandian,xianduanshizhixiandeyibufen。2、zhixian、shexianyuxianduanyoushimelianxihequbie?①、zhixianheshexiandukeyiwuxianyanshen,yinciwufaliangchuchangduan。②、xianduankeyiliangchuchangdu。③、xianduanyoulianggeduandian,zhixianmeiyouduandian,shexianzhiyouyigeduandian。mingchengxingzhuangduandianyanshenxianduanzhide2bunengshexianzhide1yiduanzhixianzhide0liangduan3、congyidianyinchuliangtiaoshexiansuozuchengdetuxingjiaozuojiao。4、jiaodejiliangdanweishi“du”,yongfuhao“ °”biaoshi。jiangyuanpingjunfencheng360 fen,meiyifensuoduidejiaodedaxiaoshil du,jizuo1°。5、jiaodedaxiaoyujiaoliangbiandechangduanmeiguanxi。jiaodedaxiaoyuchakaidedaxiaoyouguanxi,chakaideyueda,jiaoyueda。6、duliangjiaodegongjujiaoliangjiaoqi。7、liangjiaodebuzhou:①baliangjiaoqidezhongxinyujiaodedingdianzhonghe,0°keduxianyujiaodeyitiaobianzhonghe。②jiaodelingyitiaobiansuoduideliangjiaoqishangdekedu,jiushizhegejiaodedushu。8、jiaokeyikanzuoyouyitiaoshexianraozhuotadeduandian,congyigeweizhixuanzhuandaolingyigeweizhisuochengdetuxing。9、yitiaoshexianraotadeduandianxuanzhuanbanzhou,xingchengdejiaojiaozuopingjiao。1pingjiao=180°10、yitiaoshexianraotadeduandianxuanzhuanyizhou,xingchengdejiaojiaozuozhoujiao。1zhoujiao=360°1zhoujiao=2pingjiao=4zhijiao 1zhijiao=90°11、xiaoyu90dudejiaojiaozuoruijiao,dayu90duerxiaoyu180dudejiaojiaozuodunjiao。ruijiao<zhijiao<dunjiao<pingjiao<zhoujiao12、huajiaodebuzhou:(1)huayitiaoshexian,shiliangjiaoqidezhongxinheshexiandeduandianzhonghe,0°keduxianheshexianzhonghe。(2)zailiangjiaoqishangzhaodaoyaohuadejiaodedushu(ru65°)dedifang,bingdianyigedian。(3)yihuachudeshexiandeduandianweiduandian,tongguoganghuadedianzaihuayitiaoshexian。13、jingguoyidiankeyihuawushutiaozhixian;jingguolianggedian,zhinenghuayitiaozhixian。14、yongsanjiaobankeyihuadejiao:180°165°150°135°120°105°90°75°60°45°30°15°disidanyuansanweishuchengliangweishu1、sanweishuchengliangweishudebisuanfangfa:xianyongliangweishugeweishangdeshuquchengsanweishu,jidemoweiheliangweishudegeweiduiqi;zaiyongliangweishushiweishangdeshuquchengsanweishu,jidemoweiheliangweishudeshiweiduiqi;zuihoubaliangcichengdedejijiaqilai。1、jidebianhuaguilv:yigeyinshububian,lingyigeyinshucheng(huochuyi)ji(0chuwai),jiyecheng(huochuyi)ji。3、meijianshangpindejiaqian,jiaozuodanjia;mailiaoduoshao,jiaozuoshuliang;yigongyongdejiaqian,jiaozuozongjia。danjia ×shuliang = zongjiadanjia=zongjia ÷ shuliangshuliang=zongjia ÷ danjia4、yigongxingliaoduochangdelu,jiaozuolucheng;meixiaoshi(huomeifenzhongdeng)xingdelucheng,jiaozuosudu;xingliaojixiaoshi(huojifenzhongdeng),jiaozuoshijian。sudu ×shijian= luchengsudu=lucheng ÷ shijianshijian=lucheng ÷ sudu5、sududanweitongchangyou:qianmi/shi、mi/fen、mi/miaodeng。diwudanyuanpingxingsibianxinghetixing1、zaitongyigepingmianneibuxiangjiaodeliangtiaozhixianjiaozuopingxingxian,yekeyishuozheliangtiaozhixianhuxiangpingxing。jizuo:a∥b duzuo:apingxingyub2、liangtiaozhixianxiangjiaochengzhijiao,jiushuozheliangtiaozhixianhuxiangchuizhi,qizhongyitiaozhixianjiaozuolingyitiaozhixiandechuixian,zheliangtiaozhixiandejiaodianjiaozuochuizu。jizuo:a⊥b duzuo:achuizhiyub3、congzhixianwaiyidiandaozhetiaozhixiansuohuadechuizhixianduanzuiduan,tadechangdujiaozuozhediandaozhixiandejuli。4、yuliangtiaopingxingxianhuxiangchuizhidexianduanchangduduxiangdeng。huozheshuo:liangtiaopingxingxianzhijiandejulichuchuxiangdeng。jingguozhixianshangyidian(huowaiyidian)zuochuixian,keyihuayitiao。5、tongyipingmiannei,yutongyitiaozhixianpingxing(huochuizhi)deliangtiaozhixianyehuxiangpingxing。6、congpingxingsibianxingyitiaobianshangdeyidianxiangduibianyinyitiaochuixian,zhedianhechuizuzhijiandexianduanjiaozuopingxingsibianxingdegao,chuizusuozaidebianjiaozuopingxingsibianxingdedi。7、yigechangfangxing,yongliangshouniezhuchangfangxingdelianggeduijiao,xiangxiangfanfangxiangla,keyilachengbutongxingzhuangdepingxingsibianxing,danshizhouchangbubian。8、pingxingsibianxingdetedian:rongyibianxing。liru:shensuomen、shengjiangji9、pingxingsibianxinghetixingyouwushutiaogao。10、liangyaoxiangdengdetixingjiaozuodengyaotixing。 tedian:liangyaoxiangdeng,liangdijiaoxiangdeng。11、youyigejiaoshizhijiaodetixingjiaozuozhijiaotixing。 tedian:youyitiaoyaojiushitixingdegao。12、congtixingshangdirenquyigedian,xiangxiadiyinyitiaochuixian,zhegedianhechuizuzhijiandexianduanjiaozuotixingdegao。13、lianggewanquanyiyangdesanjiaoxingkeyipinchengyigepingxingsibianxing。lianggewanquanyiyangdetixingkeyipinchengyigepingxingsibianxing。lianggewanquanyiyangdezhijiaotixingkeyipinchengyigechangfangxinghuopingxingsibianxing。14、changfangxingshiteshudepingxingsibianxing,zhengfangxingshiteshudepingxingsibianxing。zhengfangxingshiteshudechangfangxing。15、sanjiaoxingsangeneijiaodeheshi180°,sibianxingsigeneijiaodeheshi360°。16、sibianxingxiaojie:liangzuduibianfenbiepingxingdesibianxingjiaozuopingxingsibianxing;zhiyouyizuduibianpingxingdesibianxingjiaotixing。liangyaoxiangdengdetixingjiaozuodengyaotixing。youyigejiaoshizhijiaodetixingjiaozuozhijiaotixing。sigejiaodushizhijiaodesibianxingjiaochangfangxing。sigejiaodushizhijiao,bingqiesitiaobianduxiangdengdesibianxingjiaozhengfangxing。diliudanyuanchushushiliangweishudechufa1、qu0fa:beichushuhechushudemoweitongshiqudiaoxiangtonggeshude0,shangbubian。2、chushushiliangweishudechufadejisuanfangfa:?congbeichushudegaoweichuqi,xianyongchushushichubeichushudeqianliangweishu,ruguotabichushuxiao,zaishichuqiansanweishu。?chudaobeichushudenayiwei,jiuzainayiweishangxieshang。?qiuchumeiyiweishang,yuxiadeshubixubichushuxiao。3、shangdebianhuaguilv:?beichushuheshangdebianhuaxiangtong。?chushuheshangdebianhuaxiangfan。?shangbubiandexingzhi:beichushuhechushutongshicheng(huochuyi)yigexiangtongdeshu(0chuwai),shangbubian。chushu× shang + yushu = beichushu(beichushu-yushu)÷ shang = chushudiqidanyuantiaoxingtongjitu1、tiaoxingtongjitudetedian:nengzhiguandekanchugezhongshuliangdedaxiao,bianyubijiao。2、zaihuizhitiaoxingtongjitushi,tiaoxingtuyigebiaoshiji,yaogenjujutiqingkuanglaiquedingdibadanyuanshuxueguangjiao--youhua1、qichawenti:helianpaishijiandeguocheng:(1)mingquewanchengyixianggongzuoyaozuonaxieshiqing;(2)mingquemeixiangshiqinggexuyaoduoshaoshijian;(3)helianpaigongzuodeshunxu,mingquexianzuoshime,houzuoshime,naxieshiqingkeyitongshizuo。2、laobingwenti:laobingdezuiyoufanganshimeiyicijinkenengderangguolianyaoqiufangzuiduodebing,zheyangjimeiyoulangfeiziyuan,youjieshengshijian。3、duicelunwenti:jiejuetongyigewentiyoubutongdecelue,yaoxuehuixunzhaozuiyoufangan。keyiyongliejufaxuanzezuiyoufangan。wunianjidiyidanyuanxiaoshuchengfa1、xiaoshuchengzhengshu:yiyi——qiujigexiangtongjiashudehedejianbianyunsuan。ru:1.5×3biaoshi1.5de3beishiduoshaohuo3ge1.5shiduoshao。jisuanfangfa:xianbaxiaoshukuodachengzhengshu;anzhengshuchengfadefazesuanchuji;zaikanyinshuzhongyigongyoujiweixiaoshu,jiucongjideyoubianqishuchujiweidianshangxiaoshudian。2、xiaoshuchengxiaoshu:yiyi——jiushiqiuzhegeshudejifenzhijishiduoshao。ru:1.5×0.8(zhengshubufenshi0)jiushiqiu1.5deshifenzhibashiduoshao。1.5×1.8(zhengshubufenbushi0)jiushiqiu1.5de1.8beishiduoshao。zhuyi:jisuanjieguozhong,xiaoshubufenmoweide0yaoqudiao,baxiaoshuhuajian;xiaoshubufenweishubugoushi,yaoyong0zhanwei。3、guilv:yigeshu(0chuwai)chengdayu1deshu,jibiyuanlaideshuda; yigeshu(0chuwai)chengxiaoyu1deshu,jibiyuanlaideshuxiao。4、qiujinsishudefangfayibanyousanzhong:⑴sishewurufa;⑵jinyifa;⑶quweifa5、jisuanqianshu,baoliuliangweixiaoshu,biaoshijisuandaofen。baoliuyiweixiaoshu,biaoshijisuandaojiao。6、xiaoshusizeyunsuanshunxugenzhengshushiyiyangde。7、yunsuandinglvhexingzhi:jiafa:jiafajiaohuanlv:a+b=b+ajiafajiehelv:(a+b)+c=a+(b+c)chengfa:chengfajiaohuanlv:a×b=b×achengfajiehelv:(a×b)×c=a×(b×c)chengfafenpeilv:(a+b)×c=a×c+b×chuoa×c+b×c=(a+b)×c(b=1shi,shenglueb)bianshi: (a-b)×c=a×c-b×chuoa×c-b×c=(a-b)×cjianfa:jianfaxingzhi:a-b-c=a-(b+c)chufa:chufaxingzhi:a÷b÷c=a÷(b×c)8、quedingwutideweizhi,yaoyongdaoshudui(xianlie:jishu,houxingjihengpai)。yongshuduiyaonengjiejuelianggewenti:yishigeichuyiduishudui,yaonengzaizuobiaotuzhongbiaochuwutisuozaiweizhidedian。ershigeichuzuobiaozhongdeyigedian,yaonengyongshuduibiaoshi。disandanyuanxiaoshuchufa10、xiaoshuchufadeyiyi:yizhilianggeyinshudejiyuqizhongdeyigeyinshu,qiulingyigeyinshudeyunsuan。ru:0.6÷0.3biaoshiyizhilianggeyinshudeji0.6,yigeyinshushi0.3,qiulingyigeyinshushiduoshao。11、xiaoshuchuyizhengshudejisuanfangfa:xiaoshuchuyizhengshu,anzhengshuchufadefangfaquchu,shangdexiaoshudianyaohebeichushudexiaoshudianduiqi。zhengshubufenbugouchu,shang0,dianshangxiaoshudian。ruguoyouyushu,yaotian0zaichu。11、chushushixiaoshudechufadejisuanfangfa:xianjiangchushuhebeichushukuodaxiangtongdebeishu,shichushubianchengzhengshu,zaian“chushushizhengshudexiaoshuchufa”defazejinxingjisuan。zhuyi:ruguobeichushudeweishubugou,zaibeichushudemoweiyong0buzu。12、zaishijiyingyongzhong,xiaoshuchufasuodedeshangyekeyigenjuxuyaoyong“sishewuru”fabaoliuyidingdexiaoshuweishu,qiuchushangdejinsishu。13、chufazhongdebianhuaguilv:①shangbubianxingzhi:beichushuhechushutongshikuodahuosuoxiaoxiangtongdebeishu(0chuwai),shangbubian。②chushububian,beichushukuoda(suoxiao),shangsuizhuokuoda(suoxiao)。③beichushububian,chushusuoxiao,shangfanerkuoda;beichushububian,chushukuoda,shangfanersuoxiao。14、xunhuanxiaoshu:yigeshudexiaoshubufen,congmouyiweiqi,yigeshuzihuozhejigeshuziyicibuduanzhongfuchuxian,zheyangdexiaoshujiaozuoxunhuanxiaoshu。 xunhuanjie:yigexunhuanxiaoshudexiaoshubufen,yicibuduanzhongfuchuxiandeshuzi。ru6.3232……dexunhuanjieshi32.jianxiezuo6.3215、xiaoshubufendeweishushiyouxiandexiaoshu,jiaozuoyouxianxiaoshu。xiaoshubufendeweishushiwuxiandexiaoshu,jiaozuowuxianxiaoshu。xiaoshufenweiyouxianxiaoshuhewuxianxiaoshu。disidanyuankenengxing16、shijianfashengyousanzhongqingkuang:kenengfasheng、bukenengfasheng、yidingfasheng。17、kenengfashengdeshijian,kenengxingdaxiao。bajizhongkenengdeqingkuangdefenshuxiangjiazuofenmu,danyidezhezhongkenengxingzuofenzi,jiukeqiuchuxiangyingshijianfashengkenengxingdaxiao。diwudanyuanjianyifangcheng18、zaihanyouzimudeshizili,zimuzhongjiandechenghaokeyijizuo“·”,yekeyishengluebuxie。jiahao、jianhaochuhaoyijishuyushuzhijiandechenghaobunengshenglue。19、a×akeyixiezuoa·ahuoa ,a duzuoadepingfang 2abiaoshia+atebiedi1a=azhelide:“1“womenbuxie20、fangcheng:hanyouweizhishudedengshichengweifangcheng(★fangchengbixumanzudetiaojian:bixushidengshi bixuyouweizhishuliangzhequeyibuke)。shifangchengzuoyouliangbianxiangdengdeweizhishudezhi,jiaozuofangchengdejie。qiufangchengdejiedeguochengjiaozuojiefangcheng。21、jiefangchengyuanli:tianpingpingheng。 dengshizuoyouliangbiantongshijia、jian、cheng、chuxiangtongdeshu(0chuwai),dengshiyiranchengli。22、10geshuliangguanxishi:jiafa:he=jiashu+jiashu yigejiashu=he-lingyigejiashujianfa:cha=beijianshu-jianshu beijianshu=cha+jianshu jianshu=beijianshu-chachengfa:ji=yinshu×yinshu yigeyinshu=ji÷lingyigeyinshuchufa:shang=beichushu÷chushu beichushu=shang×chushu chushu=beichushu÷shang23、suoyoudefangchengdushidengshi,dandengshibuyidingdushifangcheng。24、fangchengdejianyanguocheng:fangchengzuobian=……25、fangchengdejieshiyigeshu; jiefangchengshiyigejisuanguocheng。=fangchengyoubian suoyi,X=…shifangchengdejie。diliudanyuanduobianxingdemianji26、gongshi:duobianxingmianjigongshimianjigongshidebianshizhengfangxingzhengfangxingdemianji=bianchangXbianchang Szheng=aXa=a?yizhi:zhengfangxingdemianji,qiubianchangchangfangxingchangfangxingdemianji=changXkuanSchang=aXbyizhi:changfangxingdemianjihechang,qiukuanpingxingsibianxingpingxingsibianxingdemianji=diXgaoSping=aXhyizhi:pingxingsibianxingdemianjihedi,qiugao h=Sping÷asanjiaoxingsanjiaoxingdemianji=diXkuangao÷2Ssan=aXh÷2yizhi:sanjiaoxingdemianjihedi,qiugaoH=SsanX2÷atixingtixingxingdemianji=(shangdi+xiadi)Xgao÷2Sti=(a+b)X2yizhi:tixingdemianjiyushangxiadizhihe,qiugaogao=mianji×2÷(shangdi+xiadi)shangdi=mianji×2÷gao-xiadizuhetuxingdangzuhetuxingshituchude,yongliangzhonghuosanzhongjiandantuxingmianjixiangjiajinxingjisuan。dangzuhetuxingshiaoxiande,yongyizhongzuidadejiandantuxingmianjijianjiaoxiaodejiandantuxingmianjijinxingjisuan。27、pingxingsibianxingmianjigongshituidao:jianpin、pingyipingxingsibianxingkeyizhuanhuachengyigechangfangxing;changfangxingdechangxiangdangyupingxingsibianxingdedi; changfangxingdekuanxiangdangyupingxingsibianxingdegao; changfangxingdemianjidengyupingxingsibianxingdemianji,yinweichangfangxingmianji=chang×kuan,suoyipingxingsibianxingmianji=di×gao。28、sanjiaoxingmianjigongshituidao:xuanzhuanlianggewanquanyiyangdesanjiaoxingkeyipinchengyigepingxingsibianxing,pingxingsibianxingdedixiangdangyusanjiaoxingdedi;pingxingsibianxingdegaoxiangdangyusanjiaoxingdegao;pingxingsibianxingdemianjidengyusanjiaoxingmianjide2bei,yinweipingxingsibianxingmianji=di×gao,suoyisanjiaoxingmianji=di×gao÷229、tixingmianjigongshituidao:xuanzhuan30、lianggewanquanyiyangdetixingkeyipinchengyigepingxingsibianxing。pingxingsibianxingdedixiangdangyutixingdeshangxiadizhihe;pingxingsibianxingdegaoxiangdangyutixingdegao;pingxingsibianxingmianjidengyutixingmianjide2bei,yinweipingxingsibianxingmianji=di×gao,suoyitixingmianji=(shangdi+xiadi)×gao÷231、dengdidenggaodepingxingsibianxingmianjixiangdeng;dengdidenggaodesanjiaoxingmianjixiangdeng;dengdidenggaodepingxingsibianxingmianjishisanjiaoxingmianjide2bei。32、changfangxingkuangjialachengpingxingsibianxing,zhouchangbubian,mianjibianxiao。33、zuhetuxingmianjijisuan:bixuzhuanhuachengyixuedejiandantuxing。dangzuhetuxingshituchude,yongxuxianfengechengjizhongjiandantuxing,bajiandantuxingmianjixiangjiajisuan。dangzuhetuxingshiaoxiande,yongxuxianbuqichengyizhongzuidadejiandantuxing,yongzuidajiandantuxingmianjijianjigejiaoxiaodejiandantuxingmianjijinxingjisuan。diqidanyuanzhishuwenti34、bufengbizaishuwenti:(1)yitiaoludeyibianliangduanduzaishu=luchang÷jiange+1;yizhijiangeshu,shudekeshu,qiuluchang。luchang=jiangeshu×(shudekeshu-1)(2)yitiaoludeliangbianliangduanduzaishu=(luchang÷jiange+1)×2(3)yitiaoludeyibianliangduanbuzaishu=luchang÷jiange-1(4)yitiaoludeliangbianliangduanbuzaishu=(luchang÷jiange-1)×2(5)jumutoushijianwenti:juyiduanmutoushijian=zongshijian÷(duanshu-1)35、fengbituxingsizhouzaishuwenti:zaishukeshu=zhouchang÷jiange36、jitutonglongwenti:(guihewenti、dachuanxiaochuanwenti)(1)suanshujiashefa1:jiashejizhidushituzi,(dushijiaoduodetuzi),xianqiujidezhishujidezhishu:(zongtoushu×4-zongjiaoshu)÷(4-2jiyizhitudejiaoshujianquyizhijidejiaoshu)tudezhishu:zongtoushu-jidezhishusuanshujiashefa2:jiashejizhidushiji,(dushijiaoshaodeji),xianqiutuzidezhishutuzidezhishu:(zongjiaoshu-zongtoushu×2)÷(4-2jiyizhitudejiaoshujianquyizhijidejiaoshu)jidezhishu:zongtoushu-tuzidezhishu(2)fangchengfa:shetuziyouxzhi,zetuzijiaoyou2xzhi。namejiyou(zongtoushu-x)zhigenju“tuzijiao+jijiao=zongjiaoshu”liefangchengjiedaxianqiutuzizhishu,zaisuanchujidezhishu。ji:4x+2×(zongtoushu-x)=zongjiaoshubuchongneirong:guanchawuti36、congbutongdejiaoduguanchawuti,kandaodexingzhuangkenengshibutongde;guanchachangfangtihuozhengfangtishi,conggudingweizhizuiduonengkandaosangemian。(xiguanshangwomencongzuomian、zhengmian、shangmiankan ,bazhesanzhongshitutongchengsanshitu)37、tuxingdeyundong:zhouduichengtuxing。(1)yanyitiaozhixianduizhehou,liangbianwanquanzhonghedetuxingjiaozuozhouduichengtuxing,zhetiaozhixianjiaozuoduichengzhou。yuanyouwushutiaoduichengzhou。zhengfangxingyou4tiaoduichengzhou。dengbiansanjiaoxingyou3tiaoduichengzhou。changfangxingyou2tiaoduichengzhou。dengyaosanjiaoxinghedengyaotixingyou1tiaoduichengzhou。(2)zhouduichengtuxingdetedian:?yanduichengzhouduizhe,liangbianwanquanzhonghe。?meiyizuduiyingdiandaoduichengzhoujuliduxiangdeng。duiyingdianzhijiandelianxianyuduichengzhouhuxiangchuizhi。(3)yaonenggenjuduichengzhouhuachuduichengtuxingdelingyiban。38、shuzibianma:(1)shubujinkeyiyonglaibiaoshishuliangheshunxu,huankeyiyonglaibianma。(2)youzhengbianmayou6weishuzizucheng,qian2weibiaoshisheng;qian3weibiaoshiyouqu,qian4weibiaoshixianshi,zuihou2weibiaoshitoudiju(dadijixiangtoudiju)(3)shenfenzheng18wei:di7zhi14weibiaoshichushengnianyueri daoshudierweideshuzibiaoshixingbie,danshu-nan,shuangshu-nv(4)genjukahaoxinxi、yundongyuanbianhaoxinxi、menpaixinxitianxiebianmaguilv。liunianjidiyidanyuanfenshuchengfa(yi)fenshuchengfayiyi:1、fenshuchengzhengshudeyiyiyuzhengshuchengfadeyiyixiangtong,jiushiqiujigexiangtongjiashudehedejianbianyunsuan。“fenshuchengzhengshu”zhideshidiergeyinshubixushizhengshu,bunengshifenshu。2、yigeshuchengfenshudeyiyijiushiqiuyigeshudejifenzhijishiduoshao。“yigeshuchengfenshu”zhideshidiergeyinshubixushifenshu,bunengshizhengshu。(diyigeyinshushishimedukeyi)(er)fenshuchengfajisuanfaze:1、fenshuchengzhengshudeyunsuanfazeshi:fenziyuzhengshuxiangcheng,fenmububian。(1)weiliaojisuanjianbiannengyuefendekexianyuefenzaijisuan。(zhengshuhefenmuyuefen)(2)yuefenshiyongzhengshuhexiamiandefenmuyuediaozuidagongyinshu。(zhengshuqianwanbunengyufenmuxiangcheng,jisuanjieguobixushizuijianfenshu)。2、fenshuchengfenshudeyunsuanfazeshi:yongfenzixiangchengdejizuofenzi,fenmuxiangchengdejizuofenmu。(fenzichengfenzi,fenmuchengfenmu)(1)ruguofenshuchengfasuanshizhonghanyoudaifenshu,yaoxianbadaifenshuhuachengjiafenshuzaijisuan。(2)fenshuhuajiandefangfashi:fenzi、fenmutongshichuyitamendezuidagongyinshu。(3)zaichengdeguochengzhongyuefen,shibafenzi、fenmuzhong,lianggekeyiyuefendeshuxianhuaqu,zaifenbiezaitamendeshang、xiafangxiechuyuefenhoudeshu。(yuefenhoufenzihefenmubixubuzaihanyougongyinshu,zheyangjisuanhoudejieguocaishizuijiandanfenshu)。(4)fenshudejibenxingzhi:fenzi、fenmutongshichenghuozhechuyiyigexiangtongdeshu(0chuwai),fenshudedaxiaobubian。(san)jiyuyinshudeguanxi:yigeshu(0chuwai)chengdayu1deshu,jidayuzhegeshu。a×b=c,dangb >1蝉丑颈,肠>补。测颈驳别蝉丑耻(0肠丑耻飞补颈)肠丑别苍驳虫颈补辞测耻1诲别蝉丑耻,箩颈虫颈补辞测耻锄丑别驳别蝉丑耻。补×产=肠,诲补苍驳产 <1蝉丑颈,肠1蝉丑颈,肠a (a≠0 b≠0)③chuyidengyu1deshu,shangdengyubeichushu:a÷b=c dangb=1蝉丑颈,肠=asan、fenshuchufahunheyunsuan1、hunheyunsuanyongtidengshijisuan,denghaoxiezaidiyigeshuzidezuoxiajiao。2、yunsuanshunxu:①lianchu:tongjiyunsuan,anzhaocongzuowangyoudeshunxujinxingjisuan;huozhexianbasuoyouchufazhuanhuachengchengfazaijisuan;huozheyiju“chuyijigeshu,dengyuchengshangzhejigeshudeji”dejianbianfangfajisuan。jia、jianfaweiyijiyunsuan,cheng、chufaweierjiyunsuan。②hunheyunsuan:meiyoukuohaodexiancheng、chuhoujia、jian,youkuohaodexiansuankuohaolimian,zaisuankuohaowaimian。(a±b)÷c=a÷c±b÷cdisidanyuanbibi:lianggeshuxiangchuyejiaolianggeshudebi1、bishizhong,bihao(∶)qianmiandeshujiaoqianxiang,bihaohoumiandexiangjiaozuohouxiang,bihaoxiangdangyuchuhao,bideqianxiangchuyihouxiangdeshangjiaozuobizhi。lianbiru:3:4:5duzuo:3bi4bi52、bibiaoshideshilianggeshudeguanxi,keyiyongfenshubiaoshi,xiechengfenshudexingshi,duzuojibiji。li:12∶20= =12÷20= =0.6 12∶20duzuo:12bi20qufenbihebizhi:bizhishiyigeshu,tongchangyongfenshubiaoshi,yekeyishizhengshu、xiaoshu。bishiyigeshizi,biaoshilianggeshudeguanxi,keyixiechengbi,yekeyixiechengfenshudexingshi。3、bidejibenxingzhi:bideqianxianghehouxiangtongshichengyihuochuyixiangtongdeshu(0chuwai),bizhibubian。4、huajianbi:huajianzhihoujieguohuanshiyigebi,bushiyigeshu。(1)、yongbideqianxianghehouxiangtongshichuyitamendezuidagongyueshu。(2)、lianggefenshudebi,yongqianxianghouxiangtongshichengfenmudezuixiaogongbeishu,zaianhuajianzhengshubidefangfalaihuajian。yekeyiqiuchubizhizaixiechengbidexingshi。(3)、lianggexiaoshudebi,xiangyouyidongxiaoshudiandeweizhi,yeshixianhuachengzhengshubi。5、qiubizhi:babihaoxiechengchuhaozaijisuan,jieguoshiyigeshu(huofenshu),xiangdangyushang,bushibi。6、bihechufa、fenshudequbie:chufa:beichushuchuhao(÷) chushu(bunengwei0) shangbubianxingzhi chufashiyizhongyunsuanfenshu:fenzifenshuxian(—)fenmu(bunengwei0) fenshudejibenxingzhi fenshushiyigeshubi:qianxiangbihao(∶) houxiang(bunengwei0) bidejibenxingzhi bibiaoshilianggeshudeguanxishangbubianxingzhi:beichushuhechushutongshichenghuochuyixiangtongdeshu(0chuwai),shangbubian。fenshudejibenxingzhi:fenzihefenmutongshichenghuochuyixiangtongdeshu(0chuwai),fenshudedaxiaobubian。fenshuchufahebideyingyong1、yizhidanwei“1”deliangyongchengfa。2、weizhidanwei“1”deliangyongchufa。3、fenshuyingyongtijibenshuliangguanxi(bafenshukanchengbi)(1)jiashiyidejifenzhiji?jia=yi×jifenzhiji yi=jia÷jifenzhiji jifenzhiji=jia÷yi(2)jiabiyiduo(shao)jifenzhiji?4、anbilifenpei:bayigelianganyidingdebifenpeidefangfajiaozuoanbilifenpei。5、huaxianduantu:(1)zhaochudanwei“1”deliang,xianhuachudanwei“1”,biaochuyizhiheweizhi。(2)fenxishuliangguanxi。(3)zhaodengliangguanxi。(4)liefangcheng。lianggeliangdeguanxihualiangtiaoxianduantu,bufenhezhengtideguanxihuayitiaoxianduantu。diwudanyuanyuanyi、yuandetezheng1、yuanshipingmianneifengbiquxianweichengdepingmiantuxing。2、yuandetezheng:waixingmeiguan,yigundong。3、yuanxinO:yuanzhongxindedianjiaozuoyuanxin.yuanxinyibanyongzimuObiaoshi。yuanduociduizhezhihou,zhehendexiangjiaoyuyuandezhongxinjiyuanxin。yuanxinquedingyuandeweizhi。banjingr:lianjieyuanxindaoyuanshangrenyiyidiandexianduanjiaozuobanjing。zaitongyigeyuanli,youwushutiaobanjing,qiesuoyoudebanjingduxiangdeng。banjingquedingyuandedaxiao。zhijingd:tongguoyuanxinqieliangduanduzaiyuanshangdexianduanjiaozuozhijing。zaitongyigeyuanli,youwushutiaozhijing,qiesuoyoudezhijingduxiangdeng。zhijingshiyuanneizuichangdexianduan。tongyuanhuodengyuanneizhijingshibanjingde2bei:d=2r huo r=d÷24、dengyuan:banjingxiangdengdeyuanjiaozuodengyuan,dengyuantongguopingyikeyiwanquanzhonghe。tongxinyuan:yuanxinzhonghe、banjingbudengdelianggeyuanjiaozuotongxinyuan。5、yuanshizhouduichengtuxing:ruguoyigetuxingyanzhuoyitiaozhixianduizhe,liangcedetuxingnenggouwanquanzhonghe,zhegetuxingshizhouduichengtuxing。zhehensuozaidezhixianjiaozuoduichengzhou。youyitiaoduichengzhoudetuxing:banyuan、shanxing、dengyaotixing、dengyaosanjiaoxing、jiao。youertiaoduichengzhoudetuxing:changfangxingyousantiaoduichengzhoudetuxing:dengbiansanjiaoxingyousitiaoduichengzhoudetuxing:zhengfangxingyouwutiaoduichengzhoudetuxing:yuan,yuanhuan6、huayuan(1)yuanguiliangjiaojiandejulishiyuandebanjing。(2)huayuanbuzhou:dingbanjing、dingyuanxin、xuanzhuanyizhou。er、yuandezhouchang:weichengyuandequxiandechangdujiaozuoyuandezhouchang,zhouchangyongzimuCbiaoshi。1、yuandezhouchangzongshizhijingdesanbeiduoyixie。2、yuanzhoulv:yuandezhouchangyuzhijingdebizhishiyigegudingzhi,jiaozuoyuanzhoulv,yongzimuπbiaoshi。ji:yuanzhoulvπ = zhouchang÷zhijing≈3.14suoyi,yuandezhouchang(c)=zhijing(d)×yuanzhoulv(π)—zhouchanggongshi:c=πd, c=2πryuanzhoulvπshiyigewuxianbuxunhuanxiaoshu,3.14shijinsizhi。3、zhouchangdebianhuadeguilv:banjingkuodaduoshaobeizhijingyekuodaduoshaobei,zhouchangkuodadebeishuyubanjing、zhijingkuodadebeishuxiangtong。4、banyuanzhouchang=yuanzhouchangyiban+zhijing= πr+dsan、yuandemianjis1、yuanmianjigongshidetuidaorutubayigeyuanyanzhijingdengfenchengruoganfen,jiankaipinchengchangfangxing,fenshuyueduopinchengdetuxiangyuejiejinchangfangxing。yuandebanjing=changfangxingdekuanyuandezhouchangdeyiban=changfangxingdechangchangfangxingmianji=chang×kuansuoyi:yuandemianji=yuandezhouchangdeyiban(πr)×yuandebanjing(r)Syuan =πr×r=πr22、jizhongtuxing,zaimianjixiangdengdeqingkuangxia,yuandezhouchangzuiduan,erchangfangxingdezhouchangzuichang;fanzhi,zaizhouchangxiangdengdeqingkuangxia,yuandemianjizezuida,erchangfangxingdemianjizezuixiao。zhouchangxiangtongshi,yuanmianjizuida,liyongzheyitedian,lanzi、panzizuochengyuanxing。3、yuanmianjidebianhuadeguilv:banjingkuodaduoshaobei,zhijing、zhouchangyetongshikuodaduoshaobei,yuanmianjikuodadebeishushibanjing、zhijingkuodadebeishudepingfangbei。4、huanxingmianji =dayuan–xiaoyuan=πR2-πr2shanxingmianji=πr2×n÷360(nbiaoshishanxingyuanxinjiaodedushu)5、paodao:meitiaopaodaodezhouchangdengyuliangbanyuanpaodaohechengdeyuandezhouchangjiashangliangtiaozhipaodaodehe。yinweiliangtiaozhipaodaochangduxiangdeng,suoyi,qipaoxianbutong,xianglinliangtiaopaodaoqipaoxianyebutong,jiangedejulishi:2×π×paodaokuandu。yigeyuandebanjingzengjiaalimi,zhouchangjiuzengjia2πalimi。yigeyuandezhijingzengjiablimi,zhouchangjiuzengjiaπblimi。6、renyiyigezhengfangxingdeneiqieyuanjizuidayuandezhijingshizhengfangxingdebianchang,tamendemianjibishi4∶π。7、changyongshujuπ=3.14 2π=6.28 3π=9.42 4π=12.56 5π=15.7diliudanyuanbaifenshu(yi)yi、baifenshudeyiyi:biaoshiyigeshushilingyigeshudebaifenzhijideshujiaozuobaifenshu。baifenshuyoujiaobaifenbihuobaifenlv,baifenshubunengdaidanwei。zhuyi:baifenshushizhuanmenyonglaibiaoshiyizhongteshudebeibiguanxide,biaoshilianggeshudebi。1、baifenshuhefenshudequbiehelianxi:(1)lianxi:dukeyiyonglaibiaoshilianggeliangdebeibiguanxi。(2)qubie:yiyibutong:baifenshuzhibiaoshibeibiguanxi,bubiaoshijutishuliang,suoyibunengdaidanwei。fenshubujinbiaoshibeibiguanxi,huannengdaidanweibiaoshijutishuliang。baifenshudefenzikeyishixiaoshu,fenshudefenzizhikeyishizhengshu。zhuyi:baifenshuzaishenghuozhongyingyongguangfan,suoshejiwentijibenhefenshuwentixiangtong,fenmushi100defenshubingbushibaifenshu,bixubafenmuxiecheng“%”caishibaifenshu,suoyi“fenmushi100defenshujiushibaifenshu”zhejuhuashicuowude。“%”deliangge0yaoxiaoxie,buyaoyubaifenshuqianmiandeshuhunxiao。yibanlaijiang,chuqinlv、chenghuolv、hegelv、zhengquelvnengdadao100%,chumilv、chuyoulvdabudao100%,wanchenglv、zengchangliaobaifenzhijidengkeyichaoguo100%。yibanchufenlvzai70%、80%,chuyoulvzai30%、40%。2、xiaoshu、fenshu、baifenshuzhijiandehuhua(1)baifenshuhuaxiaoshu:xiaoshudianxiangzuoyidongliangwei,qudiao“%”。(2)xiaoshuhuabaifenshu:xiaoshudianxiangyouyidongliangwei,tianshang“%”。(3)baifenshuhuafenshu:xianbabaifenshuxiechengfenmushi100defenshu,ranhouzaihuajianchengzuijianfenshu。(4)fenshuhuabaifenshu:fenzichuyifenmudedaoxiaoshu,(chubujindebaoliusanweixiaoshu)ranhouhuachengbaifenshu。(5)xiaoshuhuafenshu:baxiaoshuchengfenmushi10、100、1000dengdefenshuzaihuajian。(6)fenshuhuaxiaoshu:fenzichuyifenmu。er、baifenshuyingyongti1、qiuchangjiandebaifenlv,ru:dabiaolv、jigelv、chenghuolv、fayalv、chuqinlvdengqiubaifenlvjiushiqiuyigeshushilingyigeshudebaifenzhiji。2、qiuyigeshubilingyigeshuduo(huoshao)baifenzhiji,shijishenghuozhong,renmenchangyongzengjialiaobaifenzhiji、jianshaoliaobaifenzhiji、jieyueliaobaifenzhijidenglaibiaoshizengjia、huojianshaodefudu。qiujiabiyiduobaifenzhiji:(jia-yi)÷yiqiuyibijiashaobaifenzhiji:(jia-yi)÷jia3、qiuyigeshudebaifenzhijishiduoshao。yigeshu(danwei“1”)×baifenlv4、yizhiyigeshudebaifenzhijishiduoshao,qiuzhegeshu。bufenliang÷baifenlv=yigeshu(danwei“1”)5、zhekou、dazhedeyiyi:jizhejiushishifenzhijiyejiushibaifenzhijishizhekou、chengshu=jifenzhiji、baifenzhiji、xiaoshubazhe=bacheng=shifenzhiba=baifenzhibashi=0.8bawuzhe=bachengwu=shifenzhibadianwu=baifenzhibashiwu=0.85wuzhe=wucheng=shifenzhiwu=baifenzhiwushi=0.5=banjia6、lilv(1)cunruyinxingdeqianjiaozuobenjin。(2)qukuanshiyinxingduozhifudeqianjiaozuolixi。(3)lixiyubenjindebizhijiaozuolilv。lixi=benjin×lilv×shijianshuihoulixi=lixi-lixideyingnashuie=lixi-lixi×5%zhu:guozhaihejiaoyuchuxudelixibunashui7、baifenshuyingyongtixingfenlei(1)qiujiashiyidebaifenzhiji——(jia÷yi)×100%=baifenzhiji(2)qiujiabiyiduobaifenzhiji——(jia-yi)÷yi×100%(3)qiujiabiyishaobaifenzhiji——(yi-jia)÷yi×100%diqidanyuanshanxingtongjitudeyiyi1、shanxingtongjitudeyiyi:yongzhenggeyuandemianjibiaoshizongshu,yongyuanneigegeshanxingmianjibiaoshigebufenshuliangtongzongshuzhijianguanxi,yejiushigebufenshuliangzhanzongshudebaifenbi,yinciyejiaobaifenbitu。2、changyongtongjitudeyoudian:(1)tiaoxingtongjituzhiguanxianshimeigeshuliangdeduoshao。(2)zhexiantongjitubujinzhiguanxianshishuliangdezengjianbianhua,huankeqingxikanchugegeshuliangdeduoshao。(3)shanxingtongjituzhiguanxianshibufenhezongliangdeguanxi。dibadanyuanshuxueguangjiao--shuyuxing2+4+6+8+10+12+14+16+18+20=(110)guilv:cong2kaishidengelianxuoushudehedengyun×(n+1)。10×(10+1)=10×11=110cong1kaishidelianxuqishudehezhenghaoshizhechuanshugeshudepingfang。wenzhanglaiyuan:jiachanghuibenqibianji:yangwenzuo
双(Shuang)响(Xiang)炮(Pao)!又(You)一(Yi)架(Jia)C919转(Zhuan)场(Chang)阎(Yan)良(Liang),ARJ21在(Zai)天(Tian)骄(Jiao)航(Hang)空(Kong)投(Tou)入(Ru)商(Shang)业(Ye)运(Yun)营(Ying)2019-07-26 15:26·话(Hua)匣(Xia)子(Zi)FM静(Jing)默(Mo)好(Hao)一(Yi)阵(Zhen)子(Zi)的(De)国(Guo)产(Chan)民(Min)机(Ji)今(Jin)天(Tian)传(Chuan)来(Lai)了(Liao)好(Hao)消(Xiao)息(Xi)而(Er)且(Qie)一(Yi)来(Lai)就(Jiu)是(Shi)双(Shuang)响(Xiang)炮(Pao)!今(Jin)天(Tian)清(Qing)晨(Chen)6点(Dian)32分(Fen)第(Di)三(San)架(Jia)C919大(Da)型(Xing)客(Ke)机(Ji)也(Ye)就(Jiu)是(Shi)C919的(De)103架(Jia)机(Ji)从(Cong)浦(Pu)东(Dong)机(Ji)场(Chang)起(Qi)飞(Fei)于(Yu)9点(Dian)11分(Fen)降(Jiang)落(Luo)在(Zai)西(Xi)安(An)阎(Yan)良(Liang)机(Ji)场(Chang)顺(Shun)利(Li)转(Zhuan)场(Chang)开(Kai)启(Qi)新(Xin)阶(Jie)段(Duan)试(Shi)验(Yan)试(Shi)飞(Fei)任(Ren)务(Wu)执(Zhi)飞(Fei)机(Ji)组(Zu)试(Shi)飞(Fei)员(Yuan):邹(Zou)礼(Li)学(Xue)、张(Zhang)健(Jian)伟(Wei)、蔡(Cai)俊(Jun)试(Shi)飞(Fei)工(Gong)程(Cheng)师(Shi):黄(Huang)震(Zhen)宇(Yu)、李(Li)畅(Chang)C919飞(Fei)机(Ji)103架(Jia)机(Ji)于(Yu)去(Qu)年(Nian)12月(Yue)28日(Ri)在(Zai)上(Shang)海(Hai)浦(Pu)东(Dong)机(Ji)场(Chang)成(Cheng)功(Gong)首(Shou)飞(Fei)。在(Zai)完(Wan)成(Cheng)一(Yi)系(Xi)列(Lie)繁(Fan)重(Zhong)的(De)测(Ce)试(Shi)、改(Gai)装(Zhuang)任(Ren)务(Wu)之(Zhi)后(Hou),103架(Jia)机(Ji)转(Zhuan)场(Chang)阎(Yan)良(Liang),后(Hou)续(Xu)将(Jiang)开(Kai)展(Zhan)颤(Chan)振(Zhen)、空(Kong)速(Su)校(Xiao)准(Zhun)、载(Zai)荷(He)、操(Cao)稳(Wen)和(He)性(Xing)能(Neng)等(Deng)科(Ke)目(Mu)的(De)试(Shi)飞(Fei)。据(Ju)话(Hua)匣(Xia)君(Jun)了(Liao)解(Jie),C919飞(Fei)机(Ji)103架(Jia)机(Ji)较(Jiao)前(Qian)两(Liang)架(Jia)飞(Fei)机(Ji),重(Zhong)量(Liang)有(You)所(Suo)减(Jian)轻(Qing)。在(Zai)转(Zhuan)场(Chang)前(Qian),根(Gen)据(Ju)前(Qian)两(Liang)架(Jia)机(Ji)的(De)试(Shi)飞(Fei)情(Qing)况(Kuang),进(Jin)行(Xing)了(Liao)相(Xiang)应(Ying)的(De)改(Gai)装(Zhuang),有(You)利(Li)于(Yu)后(Hou)续(Xu)试(Shi)飞(Fei)的(De)高(Gao)效(Xiao)推(Tui)进(Jin)。目(Mu)前(Qian),中(Zhong)国(Guo)商(Shang)飞(Fei)公(Gong)司(Si)已(Yi)投(Tou)入(Ru)3架(Jia)C919飞(Fei)机(Ji),分(Fen)别(Bie)在(Zai)上(Shang)海(Hai)浦(Pu)东(Dong)、西(Xi)安(An)阎(Yan)良(Liang)、山(Shan)东(Dong)东(Dong)营(Ying)、江(Jiang)西(Xi)南(Nan)昌(Chang)等(Deng)地(Di)开(Kai)展(Zhan)试(Shi)验(Yan)试(Shi)飞(Fei)。C919共(Gong)安(An)排(Pai)了(Liao)六(Liu)架(Jia)试(Shi)飞(Fei)的(De)飞(Fei)机(Ji)。按(An)照(Zhao)计(Ji)划(Hua),104、105、106三(San)架(Jia)飞(Fei)机(Ji)也(Ye)将(Jiang)在(Zai)今(Jin)年(Nian)年(Nian)内(Nei)下(Xia)线(Xian)并(Bing)完(Wan)成(Cheng)首(Shou)飞(Fei),整(Zheng)体(Ti)试(Shi)飞(Fei)节(Jie)奏(Zou)将(Jiang)不(Bu)断(Duan)提(Ti)速(Su)。今(Jin)天(Tian)的(De)第(Di)二(Er)个(Ge)好(Hao)消(Xiao)息(Xi)来(Lai)自(Zi)ARJ21支(Zhi)线(Xian)客(Ke)机(Ji)继(Ji)服(Fu)务(Wu)于(Yu)首(Shou)家(Jia)用(Yong)户(Hu)成(Cheng)都(Du)航(Hang)空(Kong)之(Zhi)后(Hou)今(Jin)天(Tian)“阿(A)娇(Jiao)”在(Zai)第(Di)二(Er)家(Jia)用(Yong)户(Hu)天(Tian)骄(Jiao)航(Hang)空(Kong)投(Tou)入(Ru)了(Liao)商(Shang)业(Ye)运(Yun)营(Ying)呼(Hu)和(He)浩(Hao)特(Te)——乌(Wu)兰(Lan)浩(Hao)特(Te)这(Zhe)是(Shi)年(Nian)轻(Qing)的(De)天(Tian)骄(Jiao)航(Hang)空(Kong)载(Zai)客(Ke)运(Yun)营(Ying)的(De)首(Shou)个(Ge)航(Hang)班(Ban)而(Er)且(Qie)与(Yu)兼(Jian)有(You)A320的(De)成(Cheng)都(Du)航(Hang)空(Kong)不(Bu)同(Tong)天(Tian)骄(Jiao)航(Hang)空(Kong)正(Zheng)在(Zai)打(Da)造(Zao)国(Guo)内(Nei)首(Shou)支(Zhi)纯(Chun)国(Guo)产(Chan)喷(Pen)气(Qi)客(Ke)机(Ji)机(Ji)队(Dui)全(Quan)部(Bu)由(You)ARJ21构(Gou)成(Cheng)目(Mu)前(Qian)天(Tian)骄(Jiao)航(Hang)空(Kong)已(Yi)接(Jie)收(Shou)2架(Jia)ARJ21首(Shou)批(Pi)开(Kai)通(Tong)“呼(Hu)和(He)浩(Hao)特(Te)-乌(Wu)兰(Lan)浩(Hao)特(Te)”“呼(Hu)和(He)浩(Hao)特(Te)-锡(Xi)林(Lin)浩(Hao)特(Te)”的(De)往(Wang)返(Fan)航(Hang)线(Xian)规(Gui)划(Hua)5年(Nian)内(Nei)机(Ji)队(Dui)规(Gui)模(Mo)达(Da)到(Dao)25架(Jia)通(Tong)航(Hang)点(Dian)达(Da)到(Dao)40个(Ge) 运(Yun)营(Ying)航(Hang)线(Xian)60条(Tiao)构(Gou)建(Jian)覆(Fu)盖(Gai)区(Qu)内(Nei)所(Suo)有(You)机(Ji)场(Chang)的(De)支(Zhi)线(Xian)航(Hang)空(Kong)网(Wang)络(Luo)届(Jie)时(Shi),内(Nei)蒙(Meng)古(Gu)将(Jiang)实(Shi)现(Xian)“盟(Meng)市(Shi)—首(Shou)府(Fu)”的(De)航(Hang)空(Kong)公(Gong)交(Jiao)化(Hua)ARJ21有(You)着(Zhuo)良(Liang)好(Hao)的(De)高(Gao)寒(Han)、高(Gao)原(Yuan)性(Xing)能(Neng)特(Te)别(Bie)适(Shi)应(Ying)我(Wo)国(Guo)中(Zhong)西(Xi)部(Bu)和(He)北(Bei)部(Bu)地(Di)区(Qu)机(Ji)场(Chang)的(De)起(Qi)降(Jiang)条(Tiao)件(Jian)和(He)复(Fu)杂(Za)航(Hang)路(Lu)越(Yue)障(Zhang)要(Yao)求(Qiu)还(Huan)能(Neng)改(Gai)装(Zhuang)为(Wei)公(Gong)务(Wu)机(Ji)目(Mu)前(Qian)ARJ21已(Yi)有(You)13架(Jia)交(Jiao)付(Fu)客(Ke)户(Hu)首(Shou)家(Jia)用(Yong)户(Hu)成(Cheng)都(Du)航(Hang)空(Kong)ARJ21机(Ji)队(Dui)已(Yi)先(Xian)后(Hou)开(Kai)通(Tong)航(Hang)线(Xian)20余(Yu)条(Tiao)通(Tong)航(Hang)城(Cheng)市(Shi)20多(Duo)个(Ge)运(Yun)送(Song)旅(Lv)客(Ke)逾(Yu)40万(Wan)人(Ren)次(Ci)ARJ21开(Kai)枝(Zhi)散(San)叶(Ye)为(Wei)国(Guo)产(Chan)民(Min)机(Ji)树(Shu)立(Li)了(Liao)良(Liang)好(Hao)口(Kou)碑(Bei)也(Ye)为(Wei)C919进(Jin)入(Ru)市(Shi)场(Chang)先(Xian)行(Xing)铺(Pu)路(Lu)国(Guo)产(Chan)民(Min)机(Ji)的(De)好(Hao)消(Xiao)息(Xi)会(Hui)越(Yue)来(Lai)越(Yue)多(Duo)!图(Tu)片(Pian)、视(Shi)频(Pin)from中(Zhong)国(Guo)商(Shang)飞(Fei)及(Ji)天(Tian)骄(Jiao)航(Hang)空(Kong)作(Zuo)者(Zhe):上(Shang)海(Hai)电(Dian)台(Tai)记(Ji)者(Zhe) 鸣(Ming)镝(Zuo)实(Shi)习(Xi)编(Bian)辑(Ji):曹(Cao)雯(Zuo)雯(Zuo)责(Ze)任(Ren)编(Bian)辑(Ji):黄(Huang)丽(Li)娜(Na)
测别产耻苍别苍驳蝉丑别谤耻迟补颈诲耻辞,锄丑别办别苍别苍驳丑耻颈锄补辞肠丑别苍驳谤别苍迟颈诲别蹿耻诲补苍。尘别颈迟颈补苍蝉丑别谤耻锄丑耻蝉丑颈诲别蝉丑耻濒颈补苍驳诲补驳补颈锄补颈400驳锄耻辞测辞耻,别谤辩颈别办别测颈箩耻苍丑别苍驳诲颈诲补辫别颈肠耻濒颈补苍驳丑别虫颈濒颈补苍驳。丑补辞肠丑别肠辞苍驳产耻蝉丑颈箩颈补苍诲补苍肠耻产补辞诲别产补驳耻颈测颈苍虫颈补苍驳蝉补颈肠丑别濒颈,蝉丑耻颈蝉丑别苍驳诲补蝉丑耻颈测辞耻濒颈。
在(窜补颈)日(搁颈)本(叠别苍)的(顿别)生(厂丑别苍驳)活(贬耻辞)并(叠颈苍驳)不(叠耻)如(搁耻)外(奥补颈)界(闯颈别)猜(颁补颈)测(颁别)的(顿别)那(狈补)样(驰补苍驳)风(贵别苍驳)光(骋耻补苍驳),离(尝颈)开(碍补颈)了(尝颈补辞)郭(骋耻辞)德(顿别)纲(骋补苍驳)的(顿别)庇(叠颈)护(贬耻),胡(贬耻)中(窜丑辞苍驳)惠(贬耻颈)面(惭颈补苍)临(尝颈苍)着(窜丑耻辞)生(厂丑别苍驳)存(颁耻苍)的(顿别)压(驰补)力(尝颈)和(贬别)孤(骋耻)独(顿耻)。她(罢补)没(惭别颈)有(驰辞耻)依(驰颈)靠(碍补辞)任(搁别苍)何(贬别)人(搁别苍),凭(笔颈苍驳)借(闯颈别)着(窜丑耻辞)自(窜颈)己(闯颈)的(顿别)意(驰颈)志(窜丑颈)和(贬别)勇(驰辞苍驳)气(蚕颈),开(碍补颈)始(厂丑颈)了(尝颈补辞)一(驰颈)段(顿耻补苍)新(齿颈苍)的(顿别)生(厂丑别苍驳)活(贬耻辞)。在(窜补颈)一(驰颈)个(骋别)陌(惭辞)生(厂丑别苍驳)的(顿别)国(骋耻辞)度(顿耻),她(罢补)努(狈耻)力(尝颈)工(骋辞苍驳)作(窜耻辞),养(驰补苍驳)育(驰耻)儿(贰谤)子(窜颈),尽(闯颈苍)管(骋耻补苍)种(窜丑辞苍驳)种(窜丑辞苍驳)困(碍耻苍)难(狈补苍)不(叠耻)断(顿耻补苍)出(颁丑耻)现(齿颈补苍),但(顿补苍)她(罢补)从(颁辞苍驳)未(奥别颈)低(顿颈)头(罢辞耻)。
10.黄岗山舰第四种自找的家务活:每天中午花2个小时的时间出门去买菜高颜值极品空姐性感床照欣赏冲素材公社
7月5日山东多地出现暴雨、雷暴、大风天气菏泽境内遭受龙卷风袭击山东电网经受了今年以来最强的极端灾害天气考验国网山东省电力公司搏风斗雨、连夜抢修累计出动抢修队伍37支、人员553名、抢修车辆170辆截至7月6日7时全省恢复供电进度超八成