计算:(1)(-15)+(-6)-(-25)(2)-12002-(1+0.5)×13÷(-4)-数学

题目简介

计算:(1)(-15)+(-6)-(-25)(2)-12002-(1+0.5)×13÷(-4)-数学

题目详情

计算:
(1)(-15)+(-6)-(-25)
(2)-12002-(1+0.5)×
1
3
÷(-4)
题型:解答题难度:中档来源:不详

答案

(1)原式=-15-6+25
=4;

(2)原式=-1-class="stub"3
2
×class="stub"1
3
×(-class="stub"1
4

=-1+class="stub"1
8

=-class="stub"7
8

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