精英家教网 > 小学数学 > 题目详情
3
7
×2=
1
9
×8=
5
16
×4=
5
9
×6=
5
24
×36=
7
11
×4=
21×
4
7
=
3
7
=
24×
7
27
=
分析:分数乘整数,用分数的分子和整数相乘的积做分子,分母不变,能约分的要约分,据此解答即可.
解答:解:
3
7
×2=
6
7
1
9
×8=
8
9
5
16
×4=
5
4
5
9
×6=
10
3
5
24
×36=
15
2
7
11
×4=
28
11
21×
4
7
=12
3
7
=
15
7
24×
7
27
=
56
9
点评:此题主要考查分数乘法的运算法则的灵活应用.
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