题目内容
已知
=
,那么
=______.
| a |
| b |
| 3 |
| 5 |
| a+b |
| 3a-b |
∵
=
,
∴a=
b,
∴
=
=2.
故答案为:2.
| a |
| b |
| 3 |
| 5 |
∴a=
| 3 |
| 5 |
∴
| a+b |
| 3a-b |
| ||
3×
|
故答案为:2.
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题目内容
| a |
| b |
| 3 |
| 5 |
| a+b |
| 3a-b |
| a |
| b |
| 3 |
| 5 |
| 3 |
| 5 |
| a+b |
| 3a-b |
| ||
3×
|