题目内容
a和b 互为倒数,
÷
的商是
.
| a |
| 5 |
| 2 |
| b |
| 1 |
| 10 |
| 1 |
| 10 |
分析:因为a和b互为倒数,所以ab=1,又因为
÷
=
×
=
=
,从而求解.
| a |
| 5 |
| 2 |
| b |
| a |
| 5 |
| b |
| 2 |
| ab |
| 10 |
| 1 |
| 10 |
解答:解:根据倒数的含义可知:ab=1,
÷
=
×
=
=
.
答:
÷
的商是
.
故答案为:
.
| a |
| 5 |
| 2 |
| b |
| a |
| 5 |
| b |
| 2 |
| ab |
| 10 |
| 1 |
| 10 |
答:
| a |
| 5 |
| 2 |
| b |
| 1 |
| 10 |
故答案为:
| 1 |
| 10 |
点评:解答此题的关键:先把所求的式子进行整合、计算,进而根据倒数的意义进行解答.
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