题目内容
计算下列各题.
(1)(-
-
+
)÷
(2)-12012-[-3×(2÷3)2-
÷(-22)].
(1)(-
| 3 |
| 4 |
| 5 |
| 9 |
| 7 |
| 12 |
| 1 |
| 36 |
(2)-12012-[-3×(2÷3)2-
| 4 |
| 3 |
(1)原式=(-
-
+
)×36=-27-20+21=-26;
(2)原式=-1+3×
-
×
=-1+
-
=0.
| 3 |
| 4 |
| 5 |
| 9 |
| 7 |
| 12 |
(2)原式=-1+3×
| 4 |
| 9 |
| 4 |
| 3 |
| 1 |
| 4 |
| 4 |
| 3 |
| 1 |
| 3 |
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