13 +
4 ÷
3 -
20 +
18 ×
32 ×
6 +
42 ×
5 -
1296×
3 -
13 +
147×
9 ×
9 +
3 ÷
8
3 -
2
1 -
6 +
6 ÷
2 -
6 ×
2 -
21 +
3 ÷
1
1 -
11 +
10 ×
20 +
8 +
6 ÷
5 -
3 ÷
5 -
14 +