b) 56
Explicación:
(180-170)+(180-129)+x=180
73+51+x=180
124+x=180
x=56
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b) 56
Explicación:
(180-170)+(180-129)+x=180
73+51+x=180
124+x=180
x=56