题目内容
如果
=
,那么
=______.
| x |
| 2 |
| y |
| 3 |
| x+y |
| x |
根据题意:设
=
=a,则x=2a,y=3a,
那么
=
=
.
故填:
.
| x |
| 2 |
| y |
| 3 |
那么
| x+y |
| x |
| 2a+3a |
| 2a |
| 5 |
| 2 |
故填:
| 5 |
| 2 |
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题目内容
| x |
| 2 |
| y |
| 3 |
| x+y |
| x |
| x |
| 2 |
| y |
| 3 |
| x+y |
| x |
| 2a+3a |
| 2a |
| 5 |
| 2 |
| 5 |
| 2 |