题目内容
若
=
=
，则
的值为______．
| a |
| b |
| c |
| d |
| 2 |
| 3 |
| 2a-3c+4 |
| 2b-3d+6 |
∵
=
=
，
∴
=
=
=
，
∴
=
．
故答案为
．
| a |
| b |
| c |
| d |
| 2 |
| 3 |
∴
| 2a |
| 2b |
| -3c |
| -3d |
| 4 |
| 6 |
| 2 |
| 3 |
∴
| 2a-3c+4 |
| 2b-3d+6 |
| 2 |
| 3 |
故答案为
| 2 |
| 3 |
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