题目内容
①
÷
=
×
=
②
÷
=
×
= .
| 5 |
| 8 |
| 5 |
| 12 |
| 5 |
| 8 |
| ( ) |
| ( ) |
②
| 2 |
| 5 |
| 3 |
| 4 |
| 2 |
| 5 |
| ( ) |
| ( ) |
考点:分数除法
专题:运算顺序及法则
分析:一个数除以一个分数,等于乘这个分数的倒数,依此计算即可求解.
解答:
解:①
÷
=
×
=1
;
②
÷
=
×
=
.
故答案为:
,1
;
,
.
| 5 |
| 8 |
| 5 |
| 12 |
| 5 |
| 8 |
| 12 |
| 5 |
| 1 |
| 2 |
②
| 2 |
| 5 |
| 3 |
| 4 |
| 2 |
| 5 |
| 4 |
| 3 |
| 8 |
| 15 |
故答案为:
| 12 |
| 5 |
| 1 |
| 2 |
| 4 |
| 3 |
| 8 |
| 15 |
点评:考查了分数除法,关键是熟练掌握计算法则,正确进行计算.
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