" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
p=0,5r+3
p+r=18
p=0,5r+3
0,5r+3+r=18
p=0,5r+3
1,5r=15 |/1,5
r=10
p=8
b)
m=0,3n
m+n=65
m=0,3n
0,3n+n=65
m=0,3n
1,3n=65 |/1,3
n=50
m=15
Proszę bardzo :)