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