题目内容
计算(-
)÷(
-
+
-
)÷
.
| 1 |
| 42 |
| 1 |
| 6 |
| 2 |
| 7 |
| 2 |
| 3 |
| 3 |
| 14 |
| 28 |
| 84 |
(-
)÷
=(-
)×
=-
.
| 1 |
| 42 |
| 28 |
| 84 |
| 1 |
| 42 |
| 84 |
| 28 |
| 1 |
| 14 |
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题目内容
| 1 |
| 42 |
| 1 |
| 6 |
| 2 |
| 7 |
| 2 |
| 3 |
| 3 |
| 14 |
| 28 |
| 84 |
| 1 |
| 42 |
| 28 |
| 84 |
| 1 |
| 42 |
| 84 |
| 28 |
| 1 |
| 14 |