15 ×
5
3
3
2 ÷
2
4
6 ÷
1
6
6
3
2 ÷
4
5
5
90 ×
1
6
6 ×
2
4 ×
4
2
18 ×
1
6
5
3
1
30 ×
5
6
10 ×
2
3
20 ×
4
3 ÷
2
6
3
5
4
4
1
6
4 ÷
1
4
6 ×
3
2
5