" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Liczba zlozona, to 15 =3*5
Odp. C
4x+4=28
4x=24
x=6
I 2x+1=13
II2x+3=15
odp 15