" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
cari suku awal
maka U20
Un : a+(n-1)b
U20 : -1+(20-1)2
U20 : -1+(19x2)
U20 : -1+38
U20 : 37