252×
15 ×
4 ÷
35 ×
2 ÷
6 ×
10 ×
2 ÷
42 ×
21 ×
30 ×
3 ÷
24 ×
4 ÷
7 ÷
2
30 ×
28 ×
3 ÷
30 ×
210×
24 ×