7 +
4
4 ÷
1
336×
7
8
21 ×
3
96 ×
6
2
10 ×
5
3
4
6
20 ×
1
7
8
15 ×
5
2
35 ×
7
8
8
4
5
2
2
1
3
3 -
6
5
1 -
7
8
3 ÷
6
224×
4
2
1
3
144×
8
180×
6
3
2
5 ÷
1
5
7
4
6
3
2
20 ×
4
5
21 ×
7
8 ÷
8
1
5 +
1
2
5
21 ×
7
14 +
6
3
224×
4
8
2
5 ÷
5
1
3
8
10 +
4
6
7