2 ÷
2
1
12 ×
3
20 ×
4
5
3 ÷
1
3
4
15 ×
5
2 ÷
2
20 ×
5
4
2 ×
2
3
1
12 ×
3
10 ×
5
1
2 ÷
2
4
4
2
5 ÷
5
1
3
3