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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