28 ×
7
4
6 ×
6
1
6 ×
3
10 ×
2
5
3 ×
1
10 ×
5
4
4
15 ×
3
2
42 ×
6
7
3
2
28 ×
7
5
4 ÷
1
4
24 ×
6
36 ×
6
1
2
7
7
15 ×
5
3
4
20 ×
4
6
1
2
28 ×
7
15 ×
5
3
5
42 ×
7
18 ×
3
6
4
1
1
2 ×
2
2
3
20 ×
5
4
42 ×
6
7
1