72 ×
6
4
3
4 ÷
1
10 ×
5
2
3 ÷
3
1
20 ×
5
4
3 ÷
2
6
2 ÷
2
3
3
4
30 ×
5
6
3 ÷
1
4
5
5
3 ÷
6
2
4 ÷
1
3
5 ×
1
3 ÷
6
6 ×
2
3
4
5
5
5
2
6 ×
1
6
12 ×
3
4