题目内容
| 2 |
| 7 |
| 1 |
| 2 |
| 2 |
| 7 |
| 1 |
| 7 |
×
×
改正:
分析:根据分数除法的计算法则:除以一个不为零的数等于乘上这个数的倒数,求出计算结果,再与
比较即可判断.
| 1 |
| 7 |
解答:解:
÷
=
×2=
.
≠
;
故答案为:×.
| 2 |
| 7 |
| 1 |
| 2 |
| 2 |
| 7 |
| 4 |
| 7 |
| 4 |
| 7 |
| 1 |
| 7 |
故答案为:×.
点评:本题考查了分数除法的计算法则,正确的使用计算法则计算是解决本题的关键.
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