28 ×
1 -
29 +
11 +
72 ×
13 +
7 ÷
19 +
252×
3 -
7 +
108×
3
20 ×
4 -
7 ÷
5 -
28 +
4 -
2 ÷
18 ×
6 ÷
18 +
7 ÷
2 -
40 ×
1 -
6 +
3 ÷
11 +
3 ÷
4 -
4
6 ×
9 +
8