题目内容
已知:
=
=
(x、y、z均不为零),则
=______.
| x |
| 6 |
| y |
| 4 |
| z |
| 3 |
| x+3y |
| 3y-2z |
设x=6k,y=4k,z=3k,将其代入分式中得:
=
=3.
故答案为3.
| x+3y |
| 3y-2z |
| 18k |
| 6k |
故答案为3.
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题目内容
| x |
| 6 |
| y |
| 4 |
| z |
| 3 |
| x+3y |
| 3y-2z |
| x+3y |
| 3y-2z |
| 18k |
| 6k |