" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
{a,b},{b,c},{c,d},{d,a}
{a,b,c},{b,c,d},{c,d,a},{d,a,b}
{a,b,c,d}
{ }
Jadi,Semua Himpunan Bagiannya Ada 14.