4
4
6 ×
2
3
30 ×
6
5
2 ÷
1
20 ×
5
4
30 ×
6
3 ÷
3
1
2
2 ×
2
1
5
24 ×
4
6
3
3
6 ÷
6
3 ×
3
1
10 ×
5
6 ×
2
4
4
1
20 ×
5
4
2
3
6
6
18 ×
3
6
2 ÷
2
1
20 ×
4
5