题目内容
计算：-12-
×（
-
）×
÷
．
| 11 |
| 5 |
| 1 |
| 3 |
| 1 |
| 2 |
| 3 |
| 11 |
| 5 |
| 4 |
原式=-1-
×（-
）×
×
=-1+
=-
．
| 11 |
| 5 |
| 1 |
| 6 |
| 3 |
| 11 |
| 4 |
| 5 |
=-1+
| 2 |
| 25 |
=-
| 23 |
| 25 |
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题目内容
| 11 |
| 5 |
| 1 |
| 3 |
| 1 |
| 2 |
| 3 |
| 11 |
| 5 |
| 4 |
| 11 |
| 5 |
| 1 |
| 6 |
| 3 |
| 11 |
| 4 |
| 5 |
| 2 |
| 25 |
| 23 |
| 25 |