" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Un = 4 .
U₁ = 4
U₂ = 4 . 3 = 12
U₃ = 12 . 3 = 36
U₄ = 36 . 3 = 108
4 , 12 , 36 , 108