5 ÷
1
5
6 ×
2
20 ×
4
12 ×
3
6 ×
2
2 ×
1
3
5
4
3
2
20 ×
4
2 ÷
1
5
5
20 ×
4
12 ×
3
5
2
2 ÷
1
5
4
3 ÷
1
3
2