30 ×
56 ×
3 ÷
20 ×
3 ÷
6 ×
4 ÷
42 ×
8
8 ÷
10 ×
2 ÷
21 ×
15 ×
4 ÷
24 ×
42 ×
8
8 ÷
20 ×
6 ×
4 ÷
7 ÷
21 ×
30 ×
10 ×
336×
72 ×
7 ÷
8
5 ÷
24 ×