题目内容

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
(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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