" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
A+(A+6)= 20
2A+6=20
2A=20-6
A= 14/2 = 7
B=(A+6)
=7+6 + 13
AxB = 13x7 =91
bilangan kedua = y = x + 6
20 = x + y
20 = x + x + 6
20 = 2x +6
20-6 = 2x + 6 - 6
14 = 2x
7 = x
bil pertama = x = 7
bil kedua = y = x + 6 = 7 + 6 = 13
kalikan
7 x 13 = 91