" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y- cyfra jedności
x+y=12
x=y+2
y+2+y = 12
2y+2 = 12
2y = 12-2
2y = 10 /:2
y = 5
x= 12-y
x = 12-5
x = 7
Szukana liczba to 75.