题目内容
已知
=
,则
=______,
=______.
| a |
| 2 |
| b |
| 3 |
| a+b |
| b |
| 4a-2b |
| a |
设
=
=k,则a=2k,b=3k
=
=
,
=
=1.
故答案为1.
| a |
| 2 |
| b |
| 3 |
| a+b |
| b |
| 2k+3k |
| 3k |
| 5 |
| 3 |
| 4a-2b |
| a |
| 8k-6k |
| 2k |
故答案为1.
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=
=
≠0,则
的值为( )
| a |
| 2 |
| b |
| 3 |
| c |
| 4 |
| a+b |
| c |
A、
| ||
B、
| ||
| C、2 | ||
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|