42 ×
7
6
12 ×
2
15 ×
3
5
4 ×
1
4
4 ÷
1
4
6
70 ×
5
7
2
72 ×
3
6 ×
3
2
15 ×
5
7 ÷
7
4
6
1
28 ×
4
7
3
1
210×
2
5
84 ×
6
50 ×
5
1
4 ÷
4
24 ×
6
3
7
2
2
5
1
4
6
6
3
3
7
6
6
21 ×
3
7
2 ÷
2
1
20 ×
4
5