计算:(1)(-5)+(-6)-(+12)-(-7)(2)8-3÷(-13)×(-3)(3)-14-(-612)×413+(-2)3(4)[2-5×(-12)2]÷(-14)(5)(-5)×|-8|-

题目简介

计算:(1)(-5)+(-6)-(+12)-(-7)(2)8-3÷(-13)×(-3)(3)-14-(-612)×413+(-2)3(4)[2-5×(-12)2]÷(-14)(5)(-5)×|-8|-

题目详情

计算:
(1)(-5)+(-6)-(+12)-(-7)
(2)8-3÷(-
1
3
)×(-3)

(3)-14-(-6
1
2
4
13
+(-2)3

(4)[2-5×(-
1
2
)
2
]÷(-
1
4
)

(5)(-5)×|-8|-|-3+1|-(-2)
(6)(-
11
12
+
2
3
-
14
15
)×(-60)
题型:解答题难度:中档来源:不详

答案

(1)原式=-5-6-12+7=-23+7=-16;

(2)原式=8-3×3×3=8-27=-19;

(3)原式=-1+class="stub"13
2
×class="stub"4
13
-8=-1+2-8=-7;

(4)原式=(2-class="stub"5
4
)÷(-class="stub"1
4
)=class="stub"3
4
÷(-class="stub"1
4
)=-3;

(5)原式=-5×8-2+2=-40;

(6)原式=class="stub"11
12
×60-class="stub"2
3
×60+class="stub"14
15
×60=55-40+56=71.

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