9 +
9 +
14 ×
1
6
14 ×
2 -
3 -
14 ×
7 ×
24 ×
1 -
5 +
8 +
6 ÷
8 ×
12 ×
5 -
12 +
1 -
9 +
20 ×
4 -
21 ×
6