题目内容
已知
=
,那么
=______.
| a |
| b |
| 3 |
| 4 |
| a-b |
| b |
∵
=
,
∴a=
b,
∴
=
=-
.
故答案是:-
.
| a |
| b |
| 3 |
| 4 |
∴a=
| 3 |
| 4 |
∴
| a-b |
| b |
| ||
| b |
| 1 |
| 4 |
故答案是:-
| 1 |
| 4 |
练习册系列答案
相关题目
题目内容
| a |
| b |
| 3 |
| 4 |
| a-b |
| b |
| a |
| b |
| 3 |
| 4 |
| 3 |
| 4 |
| a-b |
| b |
| ||
| b |
| 1 |
| 4 |
| 1 |
| 4 |