题目内容
已知:
=
,则
=______.
| a-b |
| b |
| 4 |
| 7 |
| a |
| b |
∵
=
,
∴7a-7b=4b,
∴7a=11b,
=
.
故答案为:
.
| a-b |
| b |
| 4 |
| 7 |
∴7a-7b=4b,
∴7a=11b,
| a |
| b |
| 11 |
| 7 |
故答案为:
| 11 |
| 7 |
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题目内容
| a-b |
| b |
| 4 |
| 7 |
| a |
| b |
| a-b |
| b |
| 4 |
| 7 |
| a |
| b |
| 11 |
| 7 |
| 11 |
| 7 |