20 ×
4
12 ×
1
2
42 ×
7
6
24 ×
8
3
5
5
5
168×
8
6
40 ×
1
4
2
21 ×
7
3
3
3
7
5 ×
1
24 ×
6
8
8
5
2 ÷
4
96 ×
2
2 ÷
2
3
5
4
7 ×
1
7
8
6
1
6
6
2 ÷
4
2
105×
7
15 ×
3
5
8
56 ×
7
4 ÷
2
8
5
3
6 ÷
1
6
4 ×
4
8
28 ×
4
7
72 ×
3
10 ×
5
24 ×
6
14 ×
2
1
30 ×
6
5
3
8
2
4
1
7