12 ×
3
2 ÷
2
40 ×
4
5 ÷
1
5
1
4
5
2
6 ×
3
4
3 ÷
1
3
20 ×
5
2
10 ×
5
6 ×
3
2
4
12 ×
1
2
5 ×
5
1
3
4