" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
t+s=80
t-10=4(s-10)
t=80-s
80-s-10=4s-40
5s=110
s=22
t=58
Zad 2.
4(a+b)=10a+b
4a+4b=10a+b
3b=6a
b=2a
mogą to być liczby: 12, 24, 36, 48