免费下载七年级上册数学《第一章:有理数》练习试卷16
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  ―1,4.5,0,2,―5,―3。

35、如果,那么a是( )(A)0 (B)0和1 (C)正数 (D)非负数

36、比较大小:|-3|____π,____,0.32____0.33,化简-[+(-5)]=______。

1.3有理数的加减法

37、= = = = = = = = = = = = = = = = = =

= = = =

-11.5+4.5 -+(-)+1 21-74-321+674 0.5+(-)-(-2.25