题目内容
如果3
+2
=
,那么
用
、
表示为:
=______.
| a |
| x |
| b |
| x |
| a |
| b |
| x |
∵3
+2
=
,
∴2
=
-3
,
∴
=-
+
.
故答案为:-
+
.
| a |
| x |
| b |
∴2
| x |
| b |
| a |
∴
| x |
| 3 |
| 2 |
| a |
| 1 |
| 2 |
| b |
故答案为:-
| 3 |
| 2 |
| a |
| 1 |
| 2 |
| b |
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