题文
计算: |
题型:解答题 难度:偏易
答案
原式,··························································· (4分) ,············································································ (6分) . (8分) |
试题分析:首先计算除法,再计算减法即可. 点评:有理数的计算是基础题,在计算的过程中要注意运算顺序,注意特别容易出现符号的错误. |
据专家权威分析,试题“计算:-七年级数学-”主要考查你对 有理数的混合运算,有理数除法,有理数的乘除混合运算,有理数的乘方 等考点的理解。关于这些考点的“档案”如下:
有理数的混合运算有理数除法有理数的乘除混合运算有理数的乘方
考点名称:有理数的混合运算 考点名称:有理数除法 考点名称:有理数的乘除混合运算 考点名称:有理数的乘方
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