12 ×
3
2 ÷
4
2
15 ×
5
2 ÷
1
4
5 ×
1
5
3
2
10 ×
2
5
4 ×
1
2 ÷
4
3
3
5 ÷
1
6 ×
3
4
2
20 ×
5
5
2
3 ÷
3
1
4