" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
21k=210
k=210/21
k=10
los numeros son=5k=5*10=50
7k=7*10=70
9k=9*10=90
los numeros son===> 50,70 y 90
nos piden la mitad de la parte mayor
(1/2) de 90 = 1/2 * 90 =45
rpta =45