" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y-waga Bogdana
x+y=70
x+4=y-3
x+y=70
x-y=-7
____________
2x=63 /:2
x=31,5
x=31,5
x+y=70
x=31,5
31,5+y=70
x=31,5
y=38,5
Ania waży 31,5 a Bogdan waży 38,5.
poproszę o najlepsze