" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a - b = b - c
La suma de sus 4 términos es igual a 60:
a + b + b + c = 60
De la proporción aritmética sabemos que:
a + c = 2b
Entonces:
a + b + b + c = 4b = 60
b = 60/4 = 15 = media diferencial
Saludos!