题目内容
已知:
+|2-y|=0,则
-
=______.
| x-3 |
| 1 | ||
|
| ||
|
∵
+|2-y|=0,
∴x=3,y=2,
∴
-
=
-
=
-
=-
;
故答案为:-
.
| x-3 |
∴x=3,y=2,
∴
| 1 | ||
|
| ||
|
| 1 | ||
|
| ||
|
| ||
| 3 |
| 3 |
| 2 |
| 3 |
| 3 |
故答案为:-
| 2 |
| 3 |
| 3 |
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题目内容
| x-3 |
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| x-3 |
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| 3 |
| 3 |
| 2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 3 |