题目内容
| 5 |
| 11 |
| 1 |
| a |
| 1 |
| b |
由倒数的定义可得:
1÷
=1×
=
,
的倒数是
;
a×b×
×
=(a×
)×(b×
)=1×1=1.
故答案为:
,1.
1÷
| 5 |
| 11 |
| 11 |
| 5 |
| 11 |
| 5 |
| 5 |
| 11 |
| 11 |
| 5 |
a×b×
| 1 |
| a |
| 1 |
| b |
| 1 |
| a |
| 1 |
| b |
故答案为:
| 11 |
| 5 |
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题目内容
| 5 |
| 11 |
| 1 |
| a |
| 1 |
| b |
| 5 |
| 11 |
| 11 |
| 5 |
| 11 |
| 5 |
| 5 |
| 11 |
| 11 |
| 5 |
| 1 |
| a |
| 1 |
| b |
| 1 |
| a |
| 1 |
| b |
| 11 |
| 5 |