12 ×
7 ×
2 ÷
12 ×
40 ×
960×
6 ×
21 ×
420×
105×
2 ÷
48 ×
2 ÷
40 ×
2 ÷
24 ×
640×
7 ÷
42 ×
8 ÷
2 ÷
20 ×
6 ÷
5
7
2 ÷
21 ×
16 ×