题目内容
若
=
=3(b+d≠0),则
=______.
| a |
| b |
| c |
| d |
| a+c |
| b+d |
∵
=
=3,
∴a=3b,c=3d,
∴
=
=
=3.
故答案为3.
| a |
| b |
| c |
| d |
∴a=3b,c=3d,
∴
| a+c |
| b+d |
| 3b+3d |
| b+d |
| 3(b+d) |
| b+d |
故答案为3.
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题目内容
| a |
| b |
| c |
| d |
| a+c |
| b+d |
| a |
| b |
| c |
| d |
| a+c |
| b+d |
| 3b+3d |
| b+d |
| 3(b+d) |
| b+d |