" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
y - oObecny wiek Hani
x+6 - Wiek Eli za 6 lat
y+6 - Wiek Hania za 6 lat
x=y+4
(x+6)+(y+6)=34
x=y+4
x+y=34-12
x-y=4
x+y=22
2x=26
x=13
x=y+4
y=x-4
y=13-4=9
Odp. Hania ma 9 lat,a Ela 13
Ela-x+4
x+x+4+12=34
2x=34-4-12=18 /÷2
x=9
9+4=13
Odp. Hania ma 9 lat, a Ela ma 13 lat.