题目内容
-1
的相反数是______,绝对值是______.
| 2 |
| 3 |
∵-1
+1
=0,
∴1
的相反数是1
,
∴|-1
|=1
,
故答案为1
,1
.
| 2 |
| 3 |
| 2 |
| 3 |
∴1
| 2 |
| 3 |
| 2 |
| 3 |
∴|-1
| 2 |
| 3 |
| 2 |
| 3 |
故答案为1
| 2 |
| 3 |
| 2 |
| 3 |
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