40 ×
4
12 ×
3
5 ÷
1
5
2
2
2 ÷
6
5
1
4
12 ×
2
18 ×
6
3
2
20 ×
4
5
6
3
1
12 ×
6
2
2 ÷
3
12 ×
1
5 ÷
5
2 ÷
4
18 ×
3
5
5
6
4
1
2
1
6
2
2
3
20 ×
4
5