72 ×
3
4 -
6
2
1 -
4
5
2 ÷
1
13 +
7
4
3 ×
3
105×
7
5
1
1
2
6
6
1
1 -
4
3
70 ×
2
7
5
3 -
5
2
3
42 ×
6
7
4 ÷
4
1
7 ÷
1
7
13 +
6
2
9 +
4
5
18 ×
3
14 ×
7
9 +
4
5
6 ÷
1
6
3
2
2
5
7 ÷
1
7
13 +
3
6
4