" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(X + 1)² - X² = 31 X² + 2X + 1 - X² = 31 2x = 31 - 1
X = 30/2 = 15
Rta: los números son 15 y 16