题目内容

计算题
(1)(-2)3+(-3)×[(-4)2+2]-(-3)2÷(-2);
(2)(
1
8
+1
1
3
-2.75)×(-24)+(-1)200
(1)(-2)3+(-3)×[(-4)2+2]-(-3)2÷(-2)
=-8+(-3)×18+
9
2

=-62+
9
2

=-
115
2

(2)(
1
8
+1
1
3
-2.75)×(-24)+(-1)200

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