题目内容
| 1 |
| 4 |
4
4
=| 3 |
| 8 |
| 8 |
| 3 |
| 8 |
| 3 |
| 2 |
| 5 |
| 2 |
| 5 |
| 1 |
| 12 |
| 1 |
| 12 |
分析:本题分别求出
,
,2.5,12的倒数即可求解.
| 1 |
| 4 |
| 3 |
| 8 |
解答:解:
×4=
×
=
×2.5=
×12=1.
故答案为:4,
,
,
.
| 1 |
| 4 |
| 3 |
| 8 |
| 8 |
| 3 |
| 2 |
| 5 |
| 1 |
| 12 |
故答案为:4,
| 8 |
| 3 |
| 2 |
| 5 |
| 1 |
| 12 |
点评:此题主要考查倒数的意义:乘积是1的两个数互为倒数,据此求解即可.
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