10 ×
6 ×
72 ×
21 ×
20 ×
35 ×
6 ×
42 ×
8 ×
42 ×
3 ÷
20 ×
6 ÷
12 ×
42 ×
5 ÷
12 ×
20 ×
35 ×
3 ÷
2
21 ×