题目内容
-5+[-
-(1-0.2÷
)×(-3)2]
| 1 |
| 3 |
| 3 |
| 5 |
原式=-5-
-(1-
×
)×9
=-5
-(1-
)×9
=-5
-6
=-11
.
| 1 |
| 3 |
| 1 |
| 5 |
| 5 |
| 3 |
=-5
| 1 |
| 3 |
| 1 |
| 3 |
=-5
| 1 |
| 3 |
=-11
| 1 |
| 3 |
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