" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jarak stiap bersaudara=15/5=3
15+18+21+24+27+30=135
=(suku pertama + suku terakhir) x jumlah anak/2
=(15+30) x 6/2
=45 x 3
=135 tahun