题目内容

直接写出得数.
8
9
÷4
=
5
9
×
3
10
=
2
5
=
4
9
÷
2
9
=
1
8
=
4
7
÷
4
7
=
12÷
1
6
=
1-
7
12
=
5
9
÷
1
3
=
⑩1÷6÷3=
分析:分数乘法直接约分求解;分数除法变成乘法,然后约分求解.
解答:
解:①
8
9
÷4
=
2
9
5
9
×
3
10
=
1
6
2
5
=
5
2
4
9
÷
2
9
=2,
1
8
=0,
4
7
÷
4
7
=1,
12÷
1
6
=72,
1-
7
12
=
5
12
5
9
÷
1
3
=
5
3
⑩1÷6÷3=
1
18
点评:本题主要考查了分数乘除法的计算,计算时要细心,注意把结果化成最简分数.
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