问题 解答题
直接写出得数:
15×
2
3
=______;
1
4
×
4
5
=______;
35×
3
5
=______;
3
10
×
5
6
=______;
5
7
×
7
5
=______;
1
5
×
3
4
=______;
5
6
×18=______;
5
8
×
2
3
=______.
答案

15×
2
3
=10;
1
4
×
4
5
=
1
5
35×
3
5
=21;
3
10
×
5
6
=
1
4
5
7
×
7
5
=1;
1
5
×
3
4
=
3
20
5
6
×18=15;
5
8
×
2
3
=
5
12
故答案为:10;
1
5
;21;
1
4
;1;
3
20
;15;
5
12

单项选择题
单项选择题