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2020安徽三支一扶行测备考言语理解: 分类分步 助力概率

2019-06-24 13:53:25| 安徽中公教育网

 

BG真人版gailvwentizaiguoshengkaoxingcezhongwangwangdoushibijiao“xiaozhong”detixing,zhisuoyizheimeshuo,yinweigailvwentidejietinandianwangwangbuzaigailvgongshibenshen,ershiduiyutimumiaoshushiqingdelijie,shenzhihenduogailvyanshengdaoyixiepailiezuhedezhishidian,duozhishidianjieheshigailvnantideyidatedian。danyinweigailvwenti、pailiezuhewentidoushijiyushijianwanchengguochengdefenxi,suoyipailiezuhezhongdeyixieyuanlitongyangkeyiyingyongyugailv。neijintianzhonggongjiaoyuzhuanjiajiutongguoyidaolitilaiweidajiashulifenleifenburuhejiejuegailvwenti。

li: xiaoshouyuanxiaoliuweikehuzhunbeilea、b、csangefangan。yizhikehujieshoufanganadegailvwei40%。ruguojieshoufangana,zejieshoufanganbdegailvwei60%,fanzhiwei30%。kehuruguoahuobfangandoubujieshou,zejieshoucfangandegailvwei90%,fanzhiwei10%,wenjiang3gefangananzhaokehujieshougailvconggaodaodipailie,yixiazhengquedeshi:

BG真人版a.a>b>c b.a>c>b c.b>a>c d.c>b>a

BG真人版zheidaotimugaosubgzhenrenbanshenmeni?shuoshidekehuduiyuxiaoliutigongdeabcsangefangandejieshouyufoudegailvxinxi,rangbgzhenrenbanjiejuemeizhongfanganjieshoudegailvdaxiaowenti。jiranshijiejuegailv,bgzhenrenbanyaokantigangaosudeguanyujieshoua、b、cdegailvtiaojian。zheishibgzhenrenbankeyifaxian,chuayiwai,bcfangandejieshougailvdouhuisuizhelingwaidefanganqubianhua,tiaojianjiaoduo,bgzhenrenbanzhengliyixia:

①jieshouawei40%;

BG真人版②jieshouahou,jieshoubwei60%;

BG真人版③bujieshouahou,jieshoubwei30%;

BG真人版④abdoubujieshou,jieshoucwei90%;

⑤abzhongjieshouleyizhonghuoliangzhong,jieshoucwei10%。

cishibgzhenrenbanfaxian,ruguoxiangqiubhuozhecdegailv,jiuyaoquzhaodaonaxieqingkuangxiab、chuifasheng,yibweili,bfashengkeyishi②yekeyishi③,cishi②he③deguanxileisiyupailiezuhezhongdefenlei,fenleidefangfashujisuanyongjiafa,zheiligailvjisuantongyangyongjiafa,jijieshoubdegailvdengyu②③gailvzhihe。neibgzhenrenbanjixufenxi②,jieshouazhihou,jieshoubwei60%,jieshouazhihouzaijieshoub,zai40%dejichushangzaifashengyige60%,leisiyupailiezuhewentizhongdefenbu,fenbudefangfashujisuanyongchengfa,zheiligailvjisuantongyangyongchengfa,suoyi②duiyingdegailvwei40%×60%=24%。tongli,③zhongshibujieshouazaijieshoub,gailvyijiuxiangcheng,wei(1-40%)×30%=18%。suoyijieshoubdegailvwei24%+18%=42%。

BG真人版fenxiqingchubzhihou,zailaikanc,xiangyaojieshouckeyishi④yekeyishi⑤,fenleiguanxi,gujieshoucdegailvwei④⑤gailvdehe。zai④zhong,abdoujieshou,zaijieshouc,fenbuguanxi,gailvyingxiangcheng;abdoubujieshouqishijiushibujieshouabingqiebujieshoub,gailvwei60%×(1-30%)=42%,suoyi④fashengdegailvwei42%×90%=37.8%。zai⑤zhong,abzhishaojieshouyigejiweiabdoujieshoudefanmian,gailvwei1-42%=58%,cishijieshoucdegailvwei10%,gu⑤fashengdegailvwei58%×10%=5.8%。neimejieshoucdegailvjiuwei37.8%+5.8%=43.6%。

BG真人版cishidechujielun,c>b>a,xuandxuanxiang。

zheidaotimuzhongbgzhenrenbanfenxijisuangailvdefangshi,yongdaolefenlei、fenbuzhongdejiachengyuanli。zhiyaofenxiqingchutiganmiaoshushijianfashengdefangshi,jiehejiachengjiukeyishunlijisuanchusuoqiugailv。zhidezhuyideshi,qiantitiaojian,gailvnengxiangjiadeqiantishishijianzhijianbujiaochajifenleiguanxi,gailvnengxiangchengdeqiantishixianhouwanchengjifenbuguanxi。neimejintiandetimujiuweidajiajiangjiedaozheili,guanzhugengduoshiyongjiqiao,zhuligongkaofuxizhilu,qingjixuguanzhuzhonggongjiaoyu!

 

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