" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
54=n(n-3)/2
108=n(n-3)
108=12(12-3)
n=12
SUMA=180(n-2)
suma=180(12-2)
suma=180*10=1800