七年级数学上册第二章有理数2.1有理数检测(新版)青岛版.doc

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1有理数测评试题相信自己,你能行!1.如果收入 15 元记作15 元,那么支出 20 元记作 元.2.海面上的高度为正,海面下的高度为负,那么海面上 982 米记作 米,1190 米的意义是 .3.若下降 8 米记作8 米,那么12 米表示 ,不升不降记作 .4.下表是某周周一至周五每日某一股票的涨跌情况(单位:元)则该股票上涨的是星期 ,下跌的是星期 .5. 下列说法正确的是( )1 是最小的正有理数; -1 是最大的负有理数;0 是最小的非负有理数;0 是最大的非正有理数;A. B.C. D.6.把下列各数填入它所属于的集合的括号内:15, 813 , -5, 91, 52, 0.1, -5.32, -80, 123, 2.333正整数集合: 负整数集合: 正分数集合: 2负分数集合: 7、某汽车制造厂原计划每月生产汽车 1000 辆,1 月份实际生产 925 辆,2 月份实际生产 990 辆,3 月份实际生产 1020 辆。请用正数和负数分别表示各月超出或少于原计划的汽车辆数。

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