题目内容
12的倒数是______,
和______互为倒数.
| 2 |
| 3 |
由倒数的定义可得:
1÷12=
,12的倒数是
;
1÷
=1×
=
,
和
互为倒数.
故答案为:
,
.
1÷12=
| 1 |
| 12 |
| 1 |
| 12 |
1÷
| 2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |
| 2 |
| 3 |
| 3 |
| 2 |
故答案为:
| 1 |
| 12 |
| 3 |
| 2 |
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