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:分數(shù)除法:除以一個不為零的數(shù)等于乘上這個數(shù)的倒數(shù),由此進行求解.
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
點評:本題考查了簡單的分數(shù)乘除的計算,計算時要細心,注意把結(jié)果化成最簡分數(shù).
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