7 +
2 ÷
42 ×
12 +
6 ×
11 +
2 ÷
6
20 ×
14 +
3 +
2 -
6 -
28 ×
1 -
9 +
12 ×
6 ×
6 ×
7 ÷
4
1
6 ×
2 -
10 +