7 -
17 +
30 ×
19 +
1 -
19 +
18 +
4 ÷
17 +
28 ×
2
3 ÷
160×
54 ×
9 +
6 ×
15 ×
11 +
2 -
7 ÷
10 +
22 +
135×
324×
18 +
16 +
5 -
2 ÷
23 +
18 +
3 ÷