Jawabanmu

2014-09-02T15:00:22+07:00
((-56+20)² + 25²)+4)+18 = .....
((-36)
² + 25²)+4)+18 = .....
(1296 + 225)+4)+18 = ....
(1521)+4)+18 = .....
1525 + 18 = 1543