" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= a + b + c
= x + 15 + x + 5
kumpulin x sama x
2x = 20
x = 20 : 2
x = 10
maka sisi pertama = 10
sisi kedua tetap = 15
sisi ke tiga 10 + 5 = 15
entahlah bener apa engga