3
3
64 ×
8
4
2
144×
6
280×
5
5 ÷
1
28 ×
7
4 ÷
1
72 ×
6
2
3
8
7
5
4
4
5
5
6
14 ×
7
2
8
3 ×
3
1
56 ×
8
7
1
360×
4
3
2 ÷
2
192×
6
180×
5
20 ×
5
4
24 ×
3
6
7 ×
7
1
8
2
14 ×
7
2
8
5
1
6
6
4
3
3 ÷
2
3 ÷
1
40 ×
5
8
4
4
21 ×
3
7
6
6
3
7 ÷
7
1
20 ×
5
4
4 ÷
2
8