问题 解答题
计算题
(1)(-2)3+(-3)×[(-4)2+2]-(-3)2÷(-2);
(2)(
1
8
+1
1
3
-2.75)×(-24)+(-1)200
答案

(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.

单项选择题 B1型题
判断题