问题 解答题
计算
(1)(-2)3+
1
2
(2004-
3
0-|-
1
2
|
(2)
27
-
12
3

(3)-32003-(
1
3
2002+
1
2

(4)(-
1
3
5×67×(
1
2
6
(5)2
3
(
18
-2
50
)

(6)(
48
-4
1
8
)-(3
1
3
-4
0.5
)
答案

(1)原式=-8+

1
2
-
1
2

=-8;

(2)原式=

27
÷
3
-
12
÷
3

=3-2

=1;

(3)原式=(-3×

1
3
2002×(-3)+
1
2

=-3+

1
2

=-2

1
2

(4)原式=(-

1
3
5×27×37×(
1
2
6

=(-

1
3
×3)5×32×(2×
1
2
6×2

=-1×9×1×2

=18;

(5)原式=2

3
×
18
-2
3
×2
50

=6

6
-20
6

=-14

6

(6)原式=4

3
-
2
-
3
+2
2

=3

3
+
2

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