560×
7
2
4 ÷
1
144×
6
4
8
8
3 ×
3
30 ×
5
5
8
4
2
7 ×
7
15 ×
3
1
6
4 ÷
4
2352×
7
8
3
1
5
3 ÷
6
2
1
30 ×
5
6
14 ×
7
2
640×
4
8
3 ×
3
6 ×
3
6
7
5
5
4 ÷
8
2
4
1
2
12 ×
4
6 ×
3
8 ÷
1
30 ×
6
7 ÷
7
5
448×
8
6
6
3
2
8
5
1
7
7
4
8 ÷
8
1
20 ×
5
4
2 ÷
3
6
2
7