2
20 ×
60 ×
10 +
144×
35 ×
19 +
2 ÷
3 +
7
12 ×
13 +
7 -
22 +
24 ×
35 ×
1
11 +
19 +
3 -
2
12 ×
84 ×
17 +
2 -
11 +
20 ×