问题 解答题
直接写得数.
1
2
÷3=
10÷
5
7
=
7
12
÷
7
4
=
7
6
×
7
15
=
3
2
÷
3
4
=
1
6
×
3
4
=
3
16
=
1-
4
5
=
2
3
×60=
15
4
×
2
5
=
3
8
×
3
8
=
3
5
×
5
27
×
3
8
=
5
9
÷5=
30÷
5
6
=
8
15
÷
2
3
=
2
3
×
5
4
÷
10
9
=
答案

1
2
÷3=
1
6

10÷

5
7
=14;

7
12
÷
7
4
=
1
3

7
6
×
7
15
=
49
90
3
2
÷
3
4
=2;

1
6
×
3
4
=
1
8

3
16
=
3
4

1-

4
5
=
1
5

2
3
×60=40;

15
4
×
2
5
=
3
2

3
8
×
3
8
=
9
64

3
5
×
5
27
×
3
8
=
1
24

5
9
÷5=
1
9

30÷

5
6
=36;

8
15
÷
2
3
=
4
5

2
3
×
5
4
÷
10
9
=
3
4

单项选择题
单项选择题