题目内容

(2013?中江县模拟)
直接写出得数.
3
4
×
2
5
=
2
3
×
5
6
=
7
9
×18=
3
10
÷
3
4
=
0.6÷0.3=
5
9
÷
5
6
=
21÷
7
9
=
3
10
÷
2
5
=
5
9
÷
2
3
=
6
11
÷
5
12
=
分析:本题根据分数乘法、除法,小数除法的运算法则计算即可.
解答:解:
3
4
×
2
5
=
3
10
2
3
×
5
6
=
5
9
7
9
×18=14
3
10
÷
3
4
=
2
5
0.6÷0.3=2
5
9
÷
5
6
=
2
3
21÷
7
9
=27
3
10
÷
2
5
=
3
4
5
9
÷
2
3
=
5
6
6
11
÷
5
12
=
72
55
点评:完成分数乘法与除法算式时要细心,注意约分.
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