云南二十选八走势图

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云南二十选八走势图2017-11-21 16:28

云南二十选八走势图LAIYUAN:DAISHIZHONGKAOGAOKAOXUEXIAO

云南二十选八走势图XIANZAILI2018NIANZHONGKAOHAIYOUJITIANDESHIJIANNI?KAOSHENGYONGSHOUZHITOUDOUNENGSHUDECHULAI,SHIJIANYITIANTIANDEGUOQU,YIWEIZHE2018NIANZHONGKAOYEJIUYUELAIYUEJIN,SHENGXIAJIKAOSHENGFUXIDESHIJIANYIJINGBUDUOLE。

云南二十选八走势图ZHONGKAOZUOWEIHENDUORENYISHENGDANGZHONGZUIZHONGYAODEKAOSHIZHIYI,QIZHONGYAOXINGSHENZHICHAOGUOLEGAOKAO。BUKEFOUREN,ZHONGDIANGAOZHONG,TEBIESHINEIXIEMINGXIAOGAOZHONGHEPUTONGGAOZHONGQUBIEHAISHIHENDADE,YIGERENYIDANTONGGUOZHONGKAOJINRUZHONGDIANGAOZHONG,JIUXIANGDANGYUJIZIJIDEWEILAIKAOQUMINGPAIDAXUEDAXIAYIGEJIANSHIDEJICHU。

云南二十选八走势图YINCI,RUHETIGAOZISHENDEXUEXINENGLIHEXUEXICHENGJI,ZAIZHONGKAOZHONGQUDEYOUYIDEKAOSHICHENGJI,ZIRANCHENGWEILEHENDUOLAOSHI、JIAZHANGHEKAOSHENGFEICHANGGUANXINDEHUATI。SHUXUEZUOWEIZHONGKAODANGZHONGZUIZHONGYAOKAOSHIKEMUZHIYI,YINQIXUEKEJUYOUYIDINGDETESHUXING,HENDUOSHIHOUZHONGKAOSHUXUEDECHENGJIDOUNENGQIDAOYIDINGDELAFENZUOYONG,ZHEIWUXINGZHIZHONGZENGJIALEZHONGKAOSHUXUEDENANDUHEJINGZHENGXING。

云南二十选八走势图TONGGUODIAOYANHEWENJUANDIAOCHA,FAXIANHENDUOKAOSHENGJINRUWUYUEFENYILAI,ZAIZHONGKAOSHUXUEFUXISHANG,ZHUYAOBASHIJIANHUAZAIZONGHEMONIXUNLIANHUOYAZHOUTIDETUPO,DANFAXIANYIGEHENYANZHONGDEWENTI:HENDUOKAOSHENGZHISHIMANGMUDEQUXUNLIANMONIJUAN,ZUOYIFENRENGYIFEN,QIWANGTONGGUOTIHAIZHANSHULAIQUDEZHONGKAOSHENGLI,DUIDAIYAZHOUTIDEXUNLIANYESHIRUCI,HAOWUZHANGFAKEYAN。

云南二十选八走势图TONGSHIYOUXIANGDANGYIBUFENKAOSHENGDEFUXIGONGZUOGENGSHICHUYUMANGMUDEFUXIZHUANGTAI,BUZHIDAOFUXIDE“LI”GAIWANGNASHI,RUKANDAOBIERENZUOSHENMEZIJIJIUZUOSHENME,DUIZISHENXUYAOXUESHENME、FUXISHENMEGENBENHAOWULEJIE,ZAOCHENGGAIBUDEMEIBU,BUXUYAOBUDETIANTIANBU。

NEIME,KAOSHENGGAIRUHEZUOHAOZUIHOUDECHONGCIFUXIGONGZUONI?BENRENRENWEIZUIZHONGYAODEXUEXIRENWUJIUSHIJISHIZONGJIETIXING,JINXINGZHENDUIXINGDECHALOUBUQUEZHUANTIFUXI。

WOMENJINGCHANGSHUOSHUXUEXUEXIYAOZHANGWOHAO“ZUOYITIHUIYILEI”DEXUEXIFANGFA,YINWEITIMUSHIZUOBUWANDE,DANTIXINGSHIYOUXIAN,ZHIYOUZHANGWOJIETIFANGFA,BUGUANTIMUZENMECHU,NICAINENGYOUBAWOZUODUITONGYILEIXINGDETIMU,RUZHONGKAOSHUXUECHANGJIANDESHUXINGJIEHEZHUANTI、FENLEITAOLUNZHUANTI、DONGDIANZHUANTI,ZHEISANDALEIZHUANTIKEYISHUOSHIZHONGKAOSHUXUEMEIYINIANDEREDIANHENANDIAN,JINTIANWOMENJIUYIZHEISANGEZHUANTIWEILIZI,BANGZHUDAJIARUHEZUOHAOZHUANTIFUXIGONGZUO。

云南二十选八走势图ZHONGKAOSHUXUEZHUANTIBANKUAIYI:SHUXINGJIEHEZHUANTI

云南二十选八走势图SHUXINGJIEHESIXIANGSHIZHICONGJIHEZHIGUANJIAODU,LIYONGJIHETUXINGDEXINGZHIYANJIUSHULIANGGUANXI,XUNZHAODAISHUWENTIDEJIEJUETUJING,HUOLIYONGSHULIANGGUANXILAIYANJIUJIHETUXINGDEXINGZHI、JIEJUEJIHEWENTIDEYIZHONGSHUXUESIXIANG。

DIANXINGLITIFENXI1:

RUTU,ZAIZHIJIAOTIXINGABCDZHONG,∠D=∠BCD=90°,∠B=60°,AB=6,AD=9,DIANESHICDSHANGDEYIGEDONGDIAN(EBUYUDZHONGHE),GUODIANEZUOEF∥AC,JIAOADYUDIANF(DANGEYUNDONGDAOCSHI,EFYUACZHONGHE).BA△DEFYANEFDUIZHE,DIANDDEDUIYINGDIANSHIDIANG,SHEDE=x,△GEFYUTIXINGABCDZHONGDIEBUFENDEMIANJIWEIy.

(1)QIUCDDEZHANGJI∠1DEDUSHU;

(2)RUODIANGQIAHAOZAIBCSHANG,QIUCISHIxDEZHI;

(3)QIUyYUxZHIJIANDEHANSHUGUANXISHI.BINGQIUxWEIHEZHISHI,yDEZHIZUIDA?ZUIDAZHISHIDUOSHAO?




KAODIANFENXI:

ZHIJIAOTIXING;ERCIHANSHUDEZUIZHI;QUANDENGSANJIAOXINGDEPANDINGYUXINGZHI;FANZHEBIANHUAN(ZHEDIEWENTI).

TIGANFENXI:

云南二十选八走势图(1)JIANGABPINGYI,SHIDIANAYUDIANDZHONGHE,LIYONGGOUGUDINGLI,ZEKEDECHUCDDEZHANGDU,GENJUCDYUADDEZHANGDUGUANXIKEDECHU∠DACDEDUSHU,YEJIUDECHULE∠1DEDUSHU.

云南二十选八走势图(2)GENJUDIANGLUOZAIBCSHANGSHI,YOUGE=DE,QIUCHU∠GEF=∠GEC=60°,RANHOUGENJUGE=2CELIECHUFANGCHENGJIKEDECHUxDEZHI.

云南二十选八走势图(3)GENJU△EFG≌△EFDLIECHUyDEBIAODASHI,CONGERTAOLUNxDEFANWEI,FENBIEDECHUKENENGDEZHIJIKE.

JIETIFANSI:

BENTIKAOCHAZHIJIAOTIXINGYUSANJIAOXINGDEZONGHE,NANDUJIAODA,JIEDABENTIDEGUANJIANSHIZHANGWOJICHUZHISHI,RANHOUJIANGSUOQIUDETIMUJUTIHUA,CONGERLIYONGSUOXUEDEZHISHIJIANLIMOXING,YINGYONGSHUXINGJIEHESIXIANG,RANHOUYOUXUJIEDA。

云南二十选八走势图SHUXINGJIEHEDEYINGYONGNEIHANZHUYAOTIXIANZAILIANGGEFANGMIAN:

1、LIYONGTUXINGDEZHIGUANXINGYANJIUSHULIANGGUANXI;

云南二十选八走势图2、YINGYONGSHUXINGJIEHEDEGONGJU(SHUZHOU、PINGMIANZHIJIAOZUOBIAOXI)TONGGUOSHULIANGGUANXIYANJIUTUXINGXINGZHI。

云南二十选八走势图SHUXINGJIEHESIXIANGSHIZHISHIJIANGCHOUXIANGDESHUXUEYUYANYUZHIGUANDETUXIANGJIEHEQILAI,GUANJIANSHIDAISHUWENTIYUTUXINGZHIJIANDEXIANGHUZHUANHUA。

ZHONGKAOSHUXUEZHUANTIBANKUAIER:FENLEITAOLUNZHUANTI

FENLEITAOLUNSIXIANGSHIZHIDANGBEIYANJIUDEWENTICUNZAIYIXIEBUQUEDINGDEYINSU,WUFAYONGTONGYIDEFANGFAHUOJIELUNJICHUTONGYIDEBIAOSHUSHI,ANKENENGCHUXIANDESUOYOUQINGKUANGLAIFENBIETAOLUN,DECHUGEZHONGQINGKUANGXIAXIANGYINGDEJIELUN,FENLEITAOLUNSIXIANGYOULIYUXUEHUIWANZHENGDIKAOLVWENTI,HUAZHENGWEILINGDIJIEJUEWENTI。

DIANXINGLITIFENXI2:

RUTUSUOSHI,ZAIPINGMIANZHIJIAOZUOBIAOXIxoyZHONG,ZHENGFANGXINGOABCDEBIANZHANGWEI2cm,DIANA、CFENBIEZAIyZHOUDEFUBANZHOUHExZHOUDEZHENGBANZHOUSHANG,PAOWUXIANy=ax2+bx+cJINGGUODIANA、BHED(4,-2/3).

(1)QIUPAOWUXIANDEBIAODASHI.

(2)RUGUODIANPYOUDIANACHUFAYANABBIANYI2cm/sDESUDUXIANGDIANBYUNDONG,TONGSHIDIANQYOUDIANBCHUFA,YANBCBIANYI1cm/sDESUDUXIANGDIANCYUNDONG,DANGQIZHONGYIDIANDAODAZHONGDIANSHI,LINGYIDIANYESUIZHITINGZHIYUNDONG。SHES=PQ2(cm2).

云南二十选八走势图①SHIQIUCHUSYUYUNDONGSHIJIANtZHIJIANDEHANSHUGUANXISHI,BINGXIECHUtDEQUZHIFANWEI;

②DANGSQU5/4SHI,ZAIPAOWUXIANSHANGSHIFOUCUNZAIDIANR,SHIDEYIDIANP、B、Q、RWEIDINGDIANDESIBIANXINGSHIPINGXINGSIBIANXING?RUGUOCUNZAI,QIUCHURDIANDEZUOBIAO;RUGUOBUCUNZAI,QINGSHUOMINGLIYOU.

(3)ZAIPAOWUXIANDEDUICHENGZHOUSHANGQIUDIANM,SHIDEMDAOD、ADEJULIZHICHAZUIDA,QIUCHUDIANMDEZUOBIAO.





KAODIANFENXI:

ERCIHANSHUZONGHETI;DAIDINGXISHUFAQIUYICIHANSHUJIEXISHI;ERCIHANSHUTUXIANGSHANGDIANDEZUOBIAOTEZHENG;DAIDINGXISHUFAQIUERCIHANSHUJIEXISHI;GOUGUDINGLI;PINGXINGSIBIANXINGDEXINGZHI.

TIGANFENXI:

云南二十选八走势图(1)SHEPAOWUXIANDEJIEXISHISHIy=ax2+bx+c,QIUCHUA、B、DDEZUOBIAODAIRUJIKE;

(2)①YOUGOUGUDINGLIJIKEQIUCHU,②JIASHECUNZAIDIANR,KEGOUCHENGYIP、B、R、QWEIDINGDIANDEPINGXINGSIBIANXING,QIUCHUP、QDEZUOBIAO,ZAIFENWEISANZHONGQINGKUANG:A、B、CJIKEGENJUPINGXINGSIBIANXINGDEXINGZHIQIUCHURDEZUOBIAO.

云南二十选八走势图(3)AGUANYUPAOWUXIANDEDUICHENGZHOUDEDUICHENGDIANWEIB,GUOB、DDEZHIXIANYUPAOWUXIANDEDUICHENGZHOUDEJIAODIANWEISUOQIUM,QIUCHUZHIXIANBDDEJIEXISHI,BAPAOWUXIANDEDUICHENGZHOUx=1DAIRUJIKEQIUCHUMDEZUOBIAO.

JIETIFANSI:

BENTIZHUYAOKAOCHALEYONGDAIDINGXISHUFAQIUYICIHANSHUHEERCIHANSHUDEJIEXISHI,GOUGUDINGLI,PINGXINGSIBIANXINGDEXINGZHI,ERCIHANSHUTUXIANGSHANGDIANDEZUOBIAOTEZHENGDENGZHISHIDIAN,JIECITIDEGUANJIANSHIZONGHEYUNYONGZHEIXIEZHISHIJINXINGJISUAN.CITIZONGHEXINGQIANG,SHIYIDAONANDUJIAODADETIMU。

云南二十选八走势图DAJIAYIDINGYAOJIZHUFENLEITAOLUNYINGZUNXUNYIXIASANGEYUANZE:

1、FENLEIZHONGDEMEIYIBUFENSHIXIANGHUDULIDE;

2、YICIFENLEIANYIGEBIAOZHUN;

3、FENLEITAOLUNYINGZHUJIJINXING,ZHENGQUEDEFENLEIBIXUSHIZHOUQUANDE,JIBUZHONGFU、YEBUYILOU。

云南二十选八走势图ZHONGKAOSHUXUEZHUANTIBANKUAISAN:DONGDIANZHUANTI

DONGDIANWENTIZHIDESHIYIYUNDONGDEDIAN、XIANDUAN、BIANHUADEJIAO、TUXINGDEMIANJIWEIJIBENTIAOJIAN,JICHUYIGEHUODUOGEBIANLIANG,YAOQIUQUEDINGBIANLIANGYUQITALIANGZHIJIANDEHANSHUDENGQITAGUANXI;HUOBIANLIANGZAIYIDINGTIAOJIANWEIDINGZHISHI,JINXINGXIANGGUANDEJISUANHEZONGHEJIEDA,JIEDAZHEILEITIMU,YIBANYAOGENJUDIANDEYUNDONGHETUXINGDEBIANHUAGUOCHENG,DUIQIBUTONGQINGKUANGJINXINGFENLEIQIUJIE。

DIANXINGLITIFENXI1:

RUTU,ZAIPINGMIANZHIJIAOZUOBIAOXIZHONG,YIZHIDIANA(0,2),DIANPSHIxZHOUSHANGYIDONGDIAN,YIXIANDUANAPWEIYIBIAN,ZAIQIYICEZUODENGBIANSANJIAOXIANAPQ.DANGDIANPYUNDONGDAOYUANDIANOCHUSHI,JIQDEWEIZHIWEIB.

(1)QIUDIANBDEZUOBIAO;

(2)QIUZHENG:DANGDIANPZAIxZHOUSHANGYUNDONG(PBUYUQZHONGHE)SHI,∠ABQWEIDINGZHI;

云南二十选八走势图(3)SHIFOUCUNZAIDIANP,SHIDEYIA、O、Q、BWEIDINGDIANDESIBIANXINGSHITIXING?RUOCUNZAI,QINGQIUCHUPDIANDEZUOBIAO;RUOBUCUNZAI,QINGSHUOMINGLIYOU.




KAODIANFENXI:

DONGDIANWENTI、DENGBIANSANJIAOXING、QUANDENGSANJIAOXING、TIXING、TANSUOCUNZAIWENTI、YAZHOUTI。

TIGANFENXI:

(1)ZAIBIANZHANGWEI2DEZHENG△ABOZHONG,GUOGUODIANBZUOBC⊥yZHOUYUDIANC,YOUTESHUJIAODESANJIAOHANSHUZHIYIQIUBCDEZHI,OC=AC=1,CONGERDEDAODIANBDEZUOBIAO.

(2)YOUYU△ABOHE△APQDOUSHIZHENGSANJIAOXING,DE∠PAQ=∠OAB=60°,CONGER∠PAO=∠QAB,ZAIJIASHANGAP=AQ,AO=AB,LIYONG“SAS”KEZHENGMING△APO≌△AQB,CONGER∠ABQ=∠AOP=90°ZONGCHENGLI,JIDANGDIANPZAIxZHOUSHANGYUNDONG(PBUYUQZHONGHE)SHI,∠ABQWEIDINGZHI90°.

(3)TIXINGZHONGZHIYOUYIZUDUIBIANPINGXING,GUSIBIANXINGYAOSHITIXING,JIUDEKANNALIANGZUDUIBIANPINGXING,YOU(2)YIZHIDIANQZONGZAIGUODIANBQIEYUABCHUIZHIDEZHIXIANSHANG,KEJIANAOYUBQBUPINGXING.CISHI,FENLIANGZHONGQINGKUANGTAOLUNAB∥OQ,JIDIANPZAIYUANDIANODELIANGCE(ZUOYOULIANGBIANSHI).RUXIAMIANLIANGTU,①ZUOTU,ZAIRt△BOQZHONG,∠BQO=90°,∠BOQ=∠ABO=60°.YOUOB=OA=2,KEQIUDEBQDEZHI,△APO≌△AQB,CONGEROP=BQ,GUDEDAOCISHIPDEZUOBIAOWEI.

②RUYOUTU,DANGAQ∥OBSHI,ZAIRt△ABQZHONG,∠ABQ=90°,∠QAB=∠ABO=60°,YOUAB=2,KEDEOP=BQ,CONGERDEDAOPDEZUOBIAO.

JIETIFANSI:

BENTISHIYIDAODAOYAZHOUTI,ZAIPINGMIANZHIJIAOZUOBIAOXIZHONG,YILIANGTIAOZUOBIAOZHOUSHANGDEYIGEDINGDIAN(yZHOU)YUYIGEDONGDIAN(xZHOU)WEICHUFADIAN,GOUZAOLIANGGEDENGBIANSANJIAOXING,YOUCISHEJISANGEYOUTIDUDEWENTI:DIYITISHIJICHUTI,QIUDINGDIANBDEZUOBIAO;ERDIERTIQIUZHENG∠ABQWEIDINGZHI,CONGERDENGBIANSANJIAOXINGDEXINGZHIBUNANFAXIAN:TONGGUOZHENGMINGLIANGSANJIAOXINGQUANDENGKEYIJIEJUEWENTI;ZHENZHENGYAZHOUSHIZUIHOUYIWEN,TANSUODANGYIA、O、Q、BWEIDINGDIANDESIBIANXINGSHITIXINGSHIDONGDIANPDEZUOBIAO,ZHEIHUIRANGDADUOSHUKAOSHENGFEICHANGJIUJIEDEWENTI:DANGJINGXIAXINLAISISUO,JIUHUIFAXIANAOYUBQBUPINGXING,CISHIMUBIAOZHIZHILINGWAIYIZUDUIBIANAB∥OQ,JIEHEDIERWENTIDEJIELUN,YONGFENLEISIXIANGJIEHEHUATU,JIUHUIHUORANKAILANG。

DONGDIANWENTI,YAOZAIDONGZHONGXUNZHAOBUDONGDEDONGXI,JIDONGZHONGQUJING,BENTIZHONGWULUNDIANPZAIxZHOUSHANGRUHEYUNDONG,DIANB、DIANAYIJI∠ABQDOUSHIDINGZHI(JINGDEYUANSU),HAIYOULIANGGEQUANDENGSANJIAOXINGYESHIJINGDEYUANSU。LINGWAI,KAOLVWENTIYAOQUANMIAN,ZUIHOUYIGEWENTIJIUYOULIANGZHONGQINGKUANG,ZHEIZAIJIETIZHONGYOUDEKAOSHENGJIUYOUDIUDIAOYIGEJIE。

ZAIZUIHOUDEZHONGKAOFUXICHONGCIJIEDUAN,DAJIAYINGDUOXUNLIANZHEIZHONGDONGTAIWENTI,ZHIYAOJICHUZHISHIFEICHANGZHASHI,SUOYOUZONGHETIJIUDOUNENGHUAJIEWEIYIGEGEJIBENWENTILAIJIEJUE,ZHEISHIZUOYAZHOUTIDEJIBENBAOZHENG。



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