计算:(1)-13+(+48)-(-5)(2)(-56)÷(-14+7)+(-3)×2(3)(16+59-712)×(-36)(4)-14+16×[3-(-3)2].-数学

题目简介

计算:(1)-13+(+48)-(-5)(2)(-56)÷(-14+7)+(-3)×2(3)(16+59-712)×(-36)(4)-14+16×[3-(-3)2].-数学

题目详情

计算:
(1)-13+(+48)-(-5)
(2)(-56)÷(-14+7)+(-3)×2
(3)(
1
6
+
5
9
-
7
12
)×(-36)
                   
(4)-14+
1
6
×[3-(-3)2]
题型:解答题难度:中档来源:不详

答案

(1)原式=-13+48+5=-13+53=40;
(2)原式=-56÷(-7)+(-3)×2=8-6=2;
(3)原式=class="stub"1
6
×(-36)+class="stub"5
9
×(-36)-class="stub"7
12
×(-36)=-6-20+21=-5;
(4)原式=-1+class="stub"1
6
×(3-9)=-1+class="stub"1
6
×(-6)=-1-1=-2.

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