21 ×
3
12 ×
2
6
20 ×
4
5
7 ÷
7
1
7
3 ×
3
2 ÷
4
2
12 ×
1
30 ×
5
6
20 ×
5
1
6 ×
3
6
2
4
4
35 ×
7
4
6
6
2
21 ×
3
168×
7
1
5
2
2
20 ×
5
1
7
4
6
6 ×
3
6 ×
1
4
35 ×
7
5
18 ×
6
3
2
6
35 ×
7
5
3 ÷
1
3
8 ×
2
4