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数量关系:和定最值之小系数同方向

2020-08-17 11:28:08  来源:中公事业单位考试题库

【导读】

中公事业单位为帮助各位考生顺利通过事业单位招聘考试,今天为大家带来数量关系lol下注app:和定最值之小系数同方向。

1.GONGYOU100GERENCANJIAMOUGONGSIDEZHAOPINKAOSHI,KAOSHINEIRONGGONGYOU5DAOTI,1-5TIFENBIEYOU80REN,92REN,86REN,78RENHE74RENDADUI,DADUILE3DAOHE3DAOYISHANGDERENYUANNENGTONGGUOKAOSHI,QINGWENZHISHAOYOUDUOSHAORENNENGTONGGUOKAOSHI?

lol下注appA.30 B.55 C.70 D.74

DAAN:C

JIEXI:ZONGJI100RENCANJIAKAOSHI,FENCHENGLIANGLEI:TONGGUOKAOSHIDE(DADUILE3DAOHE3DAOYISHANGDERENYUAN)HEWEITONGGUOKAOSHIDE(DADUILE2DAOHE2DAOYIXIADERENYUAN)。MEIRENZUODA5DAOTI,ZONGGONGZUODA500DAOTIMU,ZUODUIDEZONGTIMUSHUSHI80+92+86+78+74=410DAOTIMU,QIUDESHITONGGUOKAOSHIRENSHUDEZUIXIAOZHI。KEYISHETONGGUOKAOSHIDEYOUxREN,WEITONGGUOKAOSHIDEYOUyREN,GENJURENSHUGONGJI100REN,KEYIDEDAOx+y=100……①,ZAIGENJUDADUIDEZONGTIMUSHIKEYIDEDAO(3/4/5)x+(0/1/2)y=410……②,YOUYUQIUxDEZUIXIAOZHI,SUOYIRANGSHIZIZHONGQITASHUYAOJINLIANGDA,ZExDEWEIZHISHUXIQUZUIDAZHI5,yDEXISHUQUZUIDADEZHI2,DEDAO5x+2y=410……③JIEHE①③,KEYIJIECHUx=70,GUXUANZECXIANG。

lol下注appGUILVZONGJIE:(3/4/5)x+(0/1/2)y=410……②,DANGDEDAOZHEIGESHIZIDESHIHOU,WANQUANKEYIYINGYONGWOMENDEJIELUN“XIAOXISHUTONGFANGXIANG”LAIQUEDINGXISHUDEXUANQU,CITIZHONGxHEyDEDEXISHUZUODUIBIFAXIANyDEXISHUBIJIAOXIAO,SUOYIXIANFENXIy,YAOQIUxDEZUIXIAOZHI,ZEXUYAOyJINLIANGDA,ZEyDEXISHUDEXUANQUYAOHEyDEQUZHIFANGXIANGXIANGTONG,JIXUANZEZUIDAZHI2,ERLINGYIGEWEIZHISHUDExXISHUYEYAOHEyDEXISHUFANGXIANGXIANGTONGYEYAOXUANQUZUIDAZHI5。JIKEQUEDINGFANGCHENGZUIHOUWEI5x+2y=410……③JIEHE①③,KEYIJIECHUx=70,GUXUANZECXIANG。

2.CANJIAMOUBUMENZHAOPINKAOSHIDEGONGYOU120REN,KAOSHINEIRONGGONGYOU6DAOTI。1ZHI6DAOTIFENBIEYOU86REN,88REN,92REN,76REN,72RENHE70RENDADUI,RUGUODADUI3DAOTIHUO3DAOYISHANGDERENYUANNENGTONGGUOKAOSHI,NEIMEZHISHAOYOUDUOSHAORENNENGTONGGUOKAOSHI?

lol下注appA.50 B.61 C.75 D.80

DAAN:B

JIEXI:ZONGJI120RENCANJIAKAOSHI,FENCHENGLIANGLEI:TONGGUOKAOSHIDE(DADUILE3DAOHE3DAOYISHANGDERENYUAN)HEWEITONGGUOKAOSHIDE(DADUILE2DAOHE2DAOYIXIADERENYUAN)。MEIRENZUODA6DAOTI,ZONGGONGZUODA720DAOTIMU,ZUODUIDEZONGTIMUSHUSHI86+88+92+76+72+70=484DAOTIMU,QIUDESHITONGGUOKAOSHIRENSHUDEZUIXIAOZHI。KEYISHETONGGUOKAOSHIDEYOUxREN,WEITONGGUOKAOSHIDEYOUyREN,GENJURENSHUGONGJI120REN,KEYIDEDAOx+y=120……①,ZAIGENJUDADUIDEZONGTIMUSHIKEYIDEDAO(3/4/5/6)x+(0/1/2)y=484……②,YOUYUQIUxDEZUIXIAOZHI,SUOYIRANGSHIZIZHONGQITASHUYAOJINLIANGDA,ZExDEWEIZHISHUXIQUZUIDAZHI6,yDEXISHUQUZUIDADEZHI2,DEDAO6x+2y=484……③JIEHE①③,KEYIJIECHUx=61,GUXUANZEBXIANG。

GUILVZONGJIE:(3/4/5/6)x+(0/1/2)y=484……②,DANGDEDAOZHEIGESHIZIDESHIHOU,WANQUANKEYIYINGYONGWOMENDEJIELUN“XIAOXISHUTONGFANGXIANG”LAIQUEDINGXISHUDEXUANQU,CITIZHONGxHEyDEDEXISHUZUODUIBIFAXIANyDEXISHUBIJIAOXIAO,SUOYIXIANFENXIy,YAOQIUxDEZUIXIAOZHI,ZEXUYAOyJINLIANGDA,ZEyDEXISHUDEXUANQUYAOHEyDEQUZHIFANGXIANGXIANGTONG,JIXUANZEZUIDAZHI2,ERLINGYIGEWEIZHISHUDExXISHUYEYAOHEyDEXISHUFANGXIANGXIANGTONGYEYAOXUANQUZUIDAZHI6。JIKEQUEDINGFANGCHENGZUIHOUWEI6x+2y=484……③JIEHE①③,KEYIJIECHUx=61,GUXUANZEBXIANG。

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