20 ×
4
1
5
18 ×
3
6
80 ×
2
2 ÷
6
3
4 ÷
1
2
4
5
3 ÷
2
6
4
30 ×
5
3
12 ×
1
120×
5
4
6
6 ×
1
2
3
3 ÷
3
10 ×
5
6 ×
2
6
1
4
1
2
3
120×
4
5
6