Respuesta:
50
20 30
11 9 21
6 5 4 17
x + 5 + x + 17 = 30
x + x = 30 - 17 - 5
2x = 8
x = 8/2
x = 4
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Respuesta:
50
20 30
11 9 21
6 5 4 17
x + 5 + x + 17 = 30
x + x = 30 - 17 - 5
2x = 8
x = 8/2
x = 4