4 ÷
1
4
15 ×
5
3
12 ×
2
6
30 ×
5
12 ×
2
6
4 ÷
4
1
3
3
6
12 ×
3
4
10 ×
2
30 ×
5
4 ÷
1
6 ×
2
6 ÷
1
3
3
5
6
4
3
6
2 ÷
2
1
12 ×
4
5
5
20 ×
4
5
6 ×
1
6
3
2
2