3
3
30 ×
6
2 ÷
1
2
120×
5
8
28 ×
4
7
5
1
224×
7
4
84 ×
2
3
144×
6
40 ×
8
24 ×
2
4
4
8
90 ×
5
6
7
3
1
4
3
2 ÷
2
6
7
7
16 ×
1
8
5
40 ×
8
5
4
3
1
2
140×
7
2 ÷
6
2 ×
1
2
2 ÷
6
7
7
8
4
5
3
42 ×
6
7
3
32 ×
8
4
5 ÷
5
1
2 ÷
2
56 ×
7
8
5 ÷
5
1
36 ×
3
6
2
4