15 ×
3
5
24 ×
6
4
7 ÷
1
7
2
2
5
5
3
3
28 ×
4
18 ×
6
14 ×
7
30 ×
2
6 ÷
1
48 ×
4
7 ×
1
7
3
2
5
6
6
7
5 ÷
1
14 ×
2
20 ×
5
3
4
4
2
12 ×
6
5
7
4
4 ÷
1
21 ×
3
1
2
6 ×
3
30 ×
5
6
4
7
28 ×
7
4
2
3 ×
1
3
30 ×
6
5