" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Obecnie:
x - wiek Agnieszki
x+5 - wiek Basi
Rok temu:
x-1 -wiek Agnieszki
x+5-1 - wiek Basi
Oraz 2(x-1)=x+5-1
2x-2=x+4 // -x
x-2=4 //+2
x=6
x+5=11
Odp.:Basia ma 11 lat a Agnieszka 6