题目内容
如果说
=
,那么
=______.
| x+y |
| x-y |
| 3 |
| 2 |
| x |
| y |
∵
=
,
展开得:2x+2y=3x-3y,
整理得x=5y,
∴
=5,
故答案为5.
| x+y |
| x-y |
| 3 |
| 2 |
展开得:2x+2y=3x-3y,
整理得x=5y,
∴
| x |
| y |
故答案为5.
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题目内容
| x+y |
| x-y |
| 3 |
| 2 |
| x |
| y |
| x+y |
| x-y |
| 3 |
| 2 |
| x |
| y |