Cevaplar

2012-12-27T22:11:18+02:00

(n-2).180=1800
(n-2)=10
n=12                               (n-3)=12-3=9

2 3 2
2012-12-27T22:12:05+02:00

Onikigen=>(12-2)*180=1800

12-3=9

1 1 1