252×
2
6
15 ×
3
4 ÷
1
4
35 ×
7
5
3
7
5
2 ÷
4
2
6 ×
1
6
10 ×
5
2
2 ÷
4
42 ×
7
21 ×
3
30 ×
6
3 ÷
1
24 ×
4
4 ÷
1
2
6
7
5
3
6
4
7 ÷
1
2
2
30 ×
5
3
28 ×
7
3 ÷
1
3
7
30 ×
5
6
2
4
210×
7
5
6
24 ×
3
1
4
2