" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 15
banyaknya lebar = 420cm/30cm
= 16
Banyaknya keramik = 15x16 = 240 keramik
Banyaknya dus, 240/15 = 16 dus