问题 解答题
计算
(1)-5+8-11
(2)8-8÷(-2)-(-1)2010
(3)(-
5
6
)÷|-1
2
3
|+
4
×
(-1.5)
(4)-22×(-
1
2
)+8÷(-2)2
答案

(1)-5+8-11,

=-16+8,

=-8;

(2)8-8÷(-2)-(-1)2010

=8-(-4)-1,

=8+4-1,

=12-1,

=11;

(3)(-

5
6
)÷|-1
2
3
|+
4
×
(-1.5),

=(-

5
6
)×
3
5
+2×(-1.5),

=-

1
2
-3,

=-3.5;

(4)-22×(-

1
2
)+8÷(-2)2

=-4×(-

1
2
)+8÷4,

=2+2,

=4.

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