题目内容
-1
的相反数是______,倒数是______.
| 1 |
| 2 |
∵-1
的相反数是1
,
∵-1
=-
,
∴-1
倒数是-
.
故答案为:1
,-
.
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| 2 |
| 1 |
| 2 |
∵-1
| 1 |
| 2 |
| 3 |
| 2 |
∴-1
| 1 |
| 2 |
| 2 |
| 3 |
故答案为:1
| 1 |
| 2 |
| 2 |
| 3 |
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