840×
7
5
4
6
90 ×
1
3
56 ×
2
12 ×
4
18 ×
3
1
10 ×
2
6
35 ×
5
7
3
3 ÷
2
6
1
5
7
4
1
6
294×
7
5
4
4
6 ×
2
3
336×
6
4
3
7
2
6 ÷
1
5 ×
5
2
7
10 ×
5
36 ×
4
3
6
1
5 ×
5
1
2
3
28 ×
7
4
6
6