1
1
12 ×
3
4
2
2
210×
7
6
5
6 ×
2
3 ×
1
3
20 ×
4
5
35 ×
7
6 ×
6
3
70 ×
2
42 ×
6
7
24 ×
4
5
1
20 ×
4
5
7 ×
7
90 ×
3
6
1
1
6 ×
2
5
7
1
6
8 ×
2
4
3
6
6
8 ×
4
2
5
1
21 ×
3
7
42 ×
7
6
15 ×
5
1
3
2 ÷
2
4