23 - 40 / 5
3 ( 4 + 5)
(5 + 2) * 3
5 ( 3 + 2 )
6 + 2 * 10
(100 + 50 x 2) / 2
3 + 3 * 3
(20 - 5) + (2 * 10)
4 + 4 / 4
(20 - 10) / 5
21
5
15
35
12
25
26
2
100
27
