题目内容
| 4 |
| 7 |
| 7 |
| 4 |
| 7 |
| 4 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
分析:运算的结果是1,根据
与它倒数的乘积是1;除数和被除数相等时商是1求解.
| 4 |
| 7 |
解答:解:
×
=1;
÷
=1.
故答案为:
,
.
| 4 |
| 7 |
| 7 |
| 4 |
| 5 |
| 8 |
| 5 |
| 8 |
故答案为:
| 7 |
| 4 |
| 5 |
| 8 |
点评:本题考查了互为倒数的两个数的积是1,以及被除数和除数相等(且不为0)商是1.
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| 4 |
| 7 |
| 7 |
| 4 |
| 7 |
| 4 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 4 |
| 7 |
| 4 |
| 7 |
| 7 |
| 4 |
| 5 |
| 8 |
| 5 |
| 8 |
| 7 |
| 4 |
| 5 |
| 8 |