题目内容
计算
(1)-12012+|-
|×(-1
)-(-2)3
(2)(
-
+
-
)÷(-
).
(1)-12012+|-
5 |
7 |
2 |
5 |
(2)(
2 |
3 |
1 |
10 |
1 |
6 |
2 |
5 |
1 |
30 |
(1)原式=-1-
×
+8
=-1-1+8
=6;
(2)原式=(
-
+
-
)×(-30)
=-20+3-5+12
=-10.
5 |
7 |
7 |
5 |
=-1-1+8
=6;
(2)原式=(
2 |
3 |
1 |
10 |
1 |
6 |
2 |
5 |
=-20+3-5+12
=-10.

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