4
4
60 ×
2
2 ÷
3
6
20 ×
5
3 ×
1
6
5
12 ×
2
1
1
4
3
60 ×
5
3 ×
1
6
12 ×
3
8 ×
2
4
2
3
20 ×
5
4
6 ÷
1
6
1
6
4
5
5
18 ×
3
10 ×
2
12 ×
3
4
2 ÷
1
2
6
5