42 ×
4
20 ×
72 ×
3 ×
6 ×
18 ×
5 ÷
7
6 ÷
16 ×
4 ÷
24 ×
20 ×
42 ×
63 ×
3 ×
24 ×
12 ×
18 ×
5
378×
40 ×
12 ×
15 ×
2 ÷
56 ×
10 ×
28 ×
54 ×
6 ÷
56 ×
72 ×
9 ÷
3 ÷
15 ×
2 ÷
10 ×
42 ×
27 ×
4 ÷