40 ×
12 ×
2
36 ×
45 ×
42 ×
3 ×
48 ×
42 ×
48 ×
20 ×
420×
56 ×
108×
36 ×
4 ÷
2 ÷
7
15 ×
6 ÷
18 ×
90 ×
9
42 ×
4 ÷
168×
18 ×
192×
20 ×
8 ÷
14 ×
45 ×
2 ÷
36 ×
28 ×
2 ×
30 ×