28 ×
1
7
4
2 ÷
6
3
20 ×
5
14 ×
2
3 ÷
3
1
72 ×
6
35 ×
5
2 ×
2
4
7
48 ×
4
6
2
7
1
15 ×
3
5
6
2
21 ×
1
15 ×
3
5
28 ×
7
4
100×
5
4
7
48 ×
2
6
3 ÷
1
3
14 ×
2
5
3
4
42 ×
7
6
1
7
15 ×
3
5
48 ×
1
4
2
6