(1)(-5)-(+7)-(-6)+4(2)-0.5-(-314)+2.75-(+712)(3)-32-(-2)3×4÷|-14|-数学

题目简介

(1)(-5)-(+7)-(-6)+4(2)-0.5-(-314)+2.75-(+712)(3)-32-(-2)3×4÷|-14|-数学

题目详情

(1)(-5)-(+7)-(-6)+4
(2)-0.5-(-3
1
4
)+2.75-(+7
1
2

(3)-32-(-2)3×4÷|-
1
4
|
题型:解答题难度:中档来源:不详

答案

(1)原式=-5-7+6+4
=-12+10
=-2;

(2)原式=-0.5+3.25+2.75-7.5
=-8+6
=-2;

(3)原式=-9+8×4×4
=-9+128
=119.

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