精英家教网 > 小学数学 > 题目详情
14
11
÷21                    
5
8
÷
5
6
8
9
÷
3
7
                    
10
11
1
8
×14÷
7
8
            
4
5
×
3
10
÷
3
10
3
4
÷
15
16
÷
5
6
分析:分数除法:除以一个不为零的数等于乘上这个数的倒数,由此进行求解.
解答:
解:
14
11
÷21=
2
33
5
8
÷
5
6
=
3
4
8
9
÷
3
7
=
56
27
10
11
=
11
2
1
8
×14÷
7
8
=2,
4
5
×
3
10
÷
3
10
=
4
5
3
4
÷
15
16
÷
5
6
=
24
25
点评:本题考查了简单的分数乘除的计算,计算时要细心,注意把结果化成最简分数.
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