" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
semen ⇒ luas
2 sak ⇒ 12 m²
x ⇒ 18 m²
jawaban
x = 2 x 18 / 12
= 3 sak semen