168×
6
7
4
35 ×
5
4 ×
1
15 ×
3
2
2
15 ×
3
3 ÷
2
6
7
4
1
5
1
5
24 ×
3
2
168×
6
7
4
35 ×
5
2 ÷
6
1
4
12 ×
3
2
21 ×
7
7
3
35 ×
5
6 ×
6
2
24 ×
4
1
8 ×
2
4
4
7
1
5
5
6
3
4
2 ÷
1
2
105×
3
7
5
6
6