" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b=20perangko
a:b=10:20=1:2
kolektor a=10 bundel=5 bundel 10 perangko
kolektor b=20 perangko=5 bundel 10 perangko
jumlah=10 bundel 20 perangko