" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
r = 30/90 = ⅓
U4 = 90 x ⅓³ = 90/27 = 10/3
U5 = 10/3 x ⅓ = 10/9
U6 = 10/6 x ⅓ = 10/27
jawaban : A