题目内容
| 4 |
| 5 |
| 2 |
| 3 |
| 5 |
| 4 |
| 2 |
| 3 |
| 5 |
| 6 |
×
×
.(判断对错)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进行计算出结果,再判断.
解答:解:
÷
=
×
=
.
≠
故答案为:×.
| 4 |
| 5 |
| 2 |
| 3 |
| 5 |
| 4 |
| 3 |
| 2 |
| 15 |
| 8 |
| 5 |
| 6 |
| 15 |
| 8 |
故答案为:×.
点评:本题注意分数除法的两变:除号变乘号,除数变倒数.
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题目内容
| 4 |
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| 4 |
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| 2 |
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| 15 |
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