题目内容

计算下列各题:
(1)(+10
1
3
)+(-11.5)+(-10
1
3
)-(+4.5)
(2)(-81)÷
9
4
×
4
9
÷(-16)

(3)-32-[-5-0.2÷
4
5
×(-2)2]
(4)24×(
1
6
-
3
4
-
5
8
)+(-
1
3
2÷(-
1
72

(5)(-2.5)÷3÷(-
1
6
)×(-22)

(6)-2•(-
1
2
)2+|-(-2)|3-(-
1
2
)
(1)原式=(+10
1
3
)+(-10
1
3
)+(-11.5)-(+4.5),
=0+(-16),
=-16;
(2)原式=-16÷(-16),
=1;
(3)原式=-9-[-5-1]
=-9+6
=-3;
(4)原式=24×
1
6
-24×
3
4
-24×
5
8
+
1
9
×(-72),
=4-18-15+(-8),
=-37;
(5)-2.5×
1
3
×(-6)×(-4),
=20;
(6)原式=-2×
1
4
+8+
1
2

=8.
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