题目内容

5
8
÷5
=
16÷
4
5
=
2
3
÷
8
9
=
5
7
=
1
2
÷
1
6
=
3
8
÷3
=
2
3
=
1
4
=
分析:两个分数相除,等于乘以除数的倒数,再按照乘法法则来做.
解答:解:
5
8
÷5
=
1
8
16÷
4
5
=20;
2
3
÷
8
9
=
3
4
5
7
=0;
1
2
÷
1
6
=3;
3
8
÷3
=
1
8
2
3
=3;
1
4
=28.
点评:考查了分数除法,注意,不要忘记约分,化为最简结果.
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