20 ×
4
5
36 ×
6
2
3
15 ×
1
6 ×
3
2
4 ×
1
4
6
6
5
12 ×
2
30 ×
6
5
20 ×
1
4
3
6
36 ×
1
2
3
5
8 ×
4
5 ÷
5
12 ×
3
4
4
6
1
2
1
4
15 ×
3
5
3 ÷
2
6