20 ×
70 ×
6 ÷
6 ×
18 ×
12 ×
2 ×
28 ×
7 ÷
2 ÷
30 ×
14 ×
7 ÷
20 ×
15 ×
30 ×
40 ×
21 ×
8 ×
24 ×
6 ÷
2 ×
21 ×