计算题(1)(-2)3+(-3)×[(-4)2+2]-(-3)2÷(-2);(2)(18+113-2.75)×(-24)+(-1)200.-数学

题目简介

计算题(1)(-2)3+(-3)×[(-4)2+2]-(-3)2÷(-2);(2)(18+113-2.75)×(-24)+(-1)200.-数学

题目详情

计算题
(1)(-2)3+(-3)×[(-4)2+2]-(-3)2÷(-2);
(2)(
1
8
+1
1
3
-2.75)×(-24)+(-1)200
题型:解答题难度:中档来源:不详

答案

(1)(-2)3+(-3)×[(-4)2+2]-(-3)2÷(-2)
=-8+(-3)×18+class="stub"9
2

=-62+class="stub"9
2

=-class="stub"115
2

(2)(class="stub"1
8
+1class="stub"1
3
-2.75)×(-24)+(-1)200

=(class="stub"1
8
+class="stub"4
3
-class="stub"11
4
)×(-24)+1
=class="stub"1
8
×(-24)+class="stub"4
3
×(-24)-class="stub"11
4
×(-24)
+1
=-3-32+66+1
=32.

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