题目内容
若
=
,则
=______.
| a-2b |
| b |
| 3 |
| 5 |
| a |
| b |
∵
=
-2=
,
∴
=
+2=
.
故答案为:
.
| a-2b |
| b |
| a |
| b |
| 3 |
| 5 |
∴
| a |
| b |
| 3 |
| 5 |
| 13 |
| 5 |
故答案为:
| 13 |
| 5 |
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题目内容
| a-2b |
| b |
| 3 |
| 5 |
| a |
| b |
| a-2b |
| b |
| a |
| b |
| 3 |
| 5 |
| a |
| b |
| 3 |
| 5 |
| 13 |
| 5 |
| 13 |
| 5 |