6
6
2
2
10 ×
5
3 ×
3
1
20 ×
4
2 ÷
3
6
2
1
1
2 ÷
4
5
15 ×
5
3
24 ×
4
6
2
2 ÷
1
2 ×
1
30 ×
5
6
12 ×
4
3
2
2
4 ×
4
1
5
5
2 ÷
6
3
4 ÷
4
1
6 ×
3
2
30 ×
5
6