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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