28 ×
48 ×
15 ×
2 ×
15 ×
1
12 ×
28 ×
2 ÷
2
7 ÷
336×
210×
560×
6
12 ×
20 ×
2 ÷
8
2 ÷
3 ÷
20 ×
3 ×
48 ×
42 ×
40 ×
2 ÷
5 ×
56 ×