题目内容
若
=
,则
=______.
| a |
| b |
| 5 |
| 2 |
| 2a |
| a-b |
由
=
得a=
b,
把a=
b代入
得:
=
=
,
故答案为
.
| a |
| b |
| 5 |
| 2 |
| 5 |
| 2 |
把a=
| 5 |
| 2 |
| 2a |
| a-b |
2×
| ||
|
| 5 | ||
|
| 10 |
| 3 |
故答案为
| 10 |
| 3 |
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题目内容
| a |
| b |
| 5 |
| 2 |
| 2a |
| a-b |
| a |
| b |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 2a |
| a-b |
2×
| ||
|
| 5 | ||
|
| 10 |
| 3 |
| 10 |
| 3 |