3 ×
3
4 ÷
1
10 ×
2
20 ×
4
5
1
4
5
6 ×
3
2
20 ×
4
30 ×
5
2 ÷
1
2
12 ×
3
5
2
3
1
1
4
2
2
12 ×
3
4
5 ÷
5
1