4 ÷
19 +
2 -
11 +
72 ×
11 +
2 -
21 +
5 ÷
6 +
8 ÷
6 ×
15 +
42 ×
12 +
7 ÷
14 +
3 -
1 -
2 -
105×
7 +
3 -
42 ×
16 +
3 ÷