21 ×
3
7
4 ÷
4
1
12 ×
2
6
10 ×
5
20 ×
4
5
30 ×
6
3 ÷
3
1
28 ×
7
2
6 ÷
1
12 ×
2
5
42 ×
7
6
4
12 ×
3
6
3
2
30 ×
5
7 ÷
7
1
4
14 ×
2
28 ×
4
7
6
15 ×
3
5
6 ÷
1
7
12 ×
1
3
4
10 ×
5
2
6
30 ×
5
6
1
1
2 ÷
2
4
21 ×
3
7