7 + 4 x 3 - (6-5)
5 x 8 + (19-12)
(3+1) x (4-2) + 8
(8-3) x 2 + 4 - (7-5)
6 x (7-4) + 3 x 2
4 x (2+5) - 3
12
16
18
24
25
47