问题 解答题
口算.
5
8
÷
5
12
=
3
7
=
1
8
×2=
12×
3
8
=
8
25
÷
4
5
=
2
11
×
11
4
=
4
9
÷
3
5
=
4
5
÷
3
5
=
2
3
=
1
3
×
1
4
÷
1
3
×
1
4
=
答案

5
8
÷
5
12
=
3
2

3
7
=
7
3

1
8
×2=
1
4

12×

3
8
=
9
2

8
25
÷
4
5
=
2
5

2
11
×
11
4
=
1
2

4
9
÷
3
5
=
20
27

4
5
÷
3
5
=
4
3

2
3
=3

1
3
×
1
4
÷
1
3
×
1
4
=
1
16

单项选择题
单项选择题