题目内容
| 2 |
| 7 |
| 9 |
| 14 |
| 4 |
| 9 |
√
√
.分析:根据分数除法的计算方法,求出结果,再与
比较判断.
| 4 |
| 9 |
解答:解:
÷
=
×
=
=
=4÷9;
故答案为:√.
| 2 |
| 7 |
| 9 |
| 14 |
| 2 |
| 7 |
| 14 |
| 9 |
| 2×2 |
| 9 |
| 4 |
| 9 |
故答案为:√.
点评:本题考查了分数除法的计算方法:除以一个数(0除外)等于乘这个数的倒数.
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题目内容
| 2 |
| 7 |
| 9 |
| 14 |
| 4 |
| 9 |
| 4 |
| 9 |
| 2 |
| 7 |
| 9 |
| 14 |
| 2 |
| 7 |
| 14 |
| 9 |
| 2×2 |
| 9 |
| 4 |
| 9 |