题目内容
计算-1-[2-(1-
×0.5)]÷[32-(-2)2]
| 1 |
| 3 |
-1-[2-(1-
×0.5)]÷[32-(-2)2]
=-1-[2-(1-
)]÷(9-4)
=-1-1
÷5
=-1-
=-1
| 1 |
| 3 |
=-1-[2-(1-
| 1 |
| 6 |
=-1-1
| 1 |
| 6 |
=-1-
| 7 |
| 30 |
=-1
| 7 |
| 30 |
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