题目
题型:解答题难度:一般来源:不详
(1)(-25)+30+156+(-75);
(2)-3
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答案
=-100+186
=86;
(2)原式=(-3+2-5)+(-
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=-6
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核心考点
举一反三
(1)(-100)+(-200);
(2)(-3
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(3)(-1
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(4)-5.1+0;
(5)18.56+(-5.16)+(-1.44)+(+5.16)+(-18.56);
(6)4.1+(+
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