" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
berarti itu setiap sisi di kali 2
T : 7,5 x 2 = 15
Y : 10 : 2 = 5
Z : 8,5 x 2 = 17
X : 18 : 2 = 9
jadi X : 9