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2019年秋湘教版七年级上册数学第3章测试题

DI3ZHANGCESHITI

棋牌游戏YI、XUANZE(MEIXIAOTI3FEN,GONG30FEN)

1.(3FEN)XIALIEGEFANGCHENGZHONG,SHUYUYIYUANYICIFANGCHENGDESHI()

棋牌游戏A.x+2y=0 B.x2+3x+2=0 C.2x﹣3=+2 D.x+1=0

2.(3FEN)MOUSHANGDIANYOULIANGGEJINJIABUTONGDEJISUANQIDOUMAILE80YUAN,QIZHONGYIGEYINGLI60%,LINGYIGEKUIBEN20%,ZAIZHEICIMAIMAIZHONG,ZHEIJIASHANGDIAN()

A.BUPEIBUZHUAN B.ZHUANLE10YUANC.PEILE10YUAND.ZHUANLE50YUAN

3.(3FEN)TIANPINGDEZUOBIANFANG2GEYINGBIHE10KEFAMA,YOUBIANFANG6GEYINGBIHE5KEFAMA,TIANPINGQIAHAOPINGHENGYIZHISUOYOUYINGBIDEZHILIANGDOUXIANGTONG,RUGUOSHEYIGEYINGBIDEZHILIANGWEIxKE,KELIECHUFANGCHENGWEI()

A.2x+10=6x+5 B.2x﹣10=6x﹣5 C.2x+10=6x﹣5 D.2x﹣10=6x+5

棋牌游戏4.(3FEN)YIZHIy1=﹣x+1,y2=﹣5,RUOy1+y2=20,ZEx=()

A.﹣30 B.﹣48 C.48 D.30

5.(3FEN)XIAOMINGCUNRU100YUANRENMINBI,CUNQIYINIAN,NIANLILVWEI2%,DAOQIYINGJIAONASUOHUOLIXIDE20%DELIXISHUI,NEIMEXIAOMINGCUNKUANDAOQIJIAOLIXISHUIHOUGONGDEKUAN()

棋牌游戏A.106YUANB.102YUANC.101.6YUAND.111.6YUAN

棋牌游戏6.(3FEN)JIEFANGCHENGSHI,BAFENMUHUAWEIZHENGSHU,DE()

A.B.

C.D.

7.(3FEN)YIZHIA,BLIANGDIXIANGJU30QIANMI.XIAOWANGCONGADICHUFA,XIANYI5QIANMI/SHIDESUDUBUXING0.5SHI,RANHOUQIZIXINGCHE,GONGHUALE2.5SHIHOUDAODABDI,ZEXIAOWANGQIZIXINGCHEDESUDUWEI()

A.13.25QIANMI/SHIB.7.5QIANMI/SHIC.11QIANMI/SHID.13.75QIANMI/SHI

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