7 ÷
19 +
6
9 +
128×
6 ×
10 +
18 +
8 ×
7 -
6 ×
11 +
18 +
30 ×
17 +
2 ÷
12 +
16 ×
28 ×
18 ×
17 +
12 +
2 -
6 ×
7 +
5 ×