题目内容
计算:
×(
-
)×
÷
.
| 7 |
| 6 |
| 1 |
| 6 |
| 1 |
| 3 |
| 3 |
| 14 |
| 3 |
| 5 |
原式=
×(-
)×
×
=-(
×
×
×
)=-
.
| 7 |
| 6 |
| 1 |
| 6 |
| 3 |
| 14 |
| 5 |
| 3 |
| 7 |
| 6 |
| 1 |
| 6 |
| 3 |
| 14 |
| 5 |
| 3 |
| 5 |
| 72 |
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题目内容
| 7 |
| 6 |
| 1 |
| 6 |
| 1 |
| 3 |
| 3 |
| 14 |
| 3 |
| 5 |
| 7 |
| 6 |
| 1 |
| 6 |
| 3 |
| 14 |
| 5 |
| 3 |
| 7 |
| 6 |
| 1 |
| 6 |
| 3 |
| 14 |
| 5 |
| 3 |
| 5 |
| 72 |