题目内容
看图填空.

÷2=
×
=
.

÷4=
×
=
.

÷5=
×
=
.
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| 12 |
| 3 |
| 4 |
| 3 |
| 4 |
| 1 |
| 5 |
| 1 |
| 5 |
| 3 |
| 20 |
| 3 |
| 20 |
分析:分数除法的方法:除以一个不等于0的数,等于乘这个数的倒数,进而按照分数乘法的计算方法计算得解;据此计算得解.
解答:解:

÷2=
×
=
.

÷4=
×
=
.

÷5=
×
=
.
故答案为:
,
;
,
;
,
.
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
| 3 |
| 4 |
| 3 |
| 4 |
| 1 |
| 5 |
| 3 |
| 20 |
故答案为:
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| 5 |
| 3 |
| 20 |
点评:本题主要考查了分数除法的计算方法,注意结果要化成最简分数.
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