" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
y-dwuzlotowki
34-ilosc monet
56zl-ilosc osczzednosci
(to wszytsko w klamerkach)
x+y=34
1*x+2*y=56
x+y=34 /-y
x+2y=56
x=34-y
34-y+2y=56
x=34-y
34+y=56 /-34
x=34-y
y=22
x=34-22
y=22
x=12 -ilosc jendozlotowek
y=22 -ilosc dwuzlotowek
Spr.
12+22=34
1*12+2*22=12+44=56
Jacek mial 12 monet jednozlotowych i 22monety dwuzlotowe ;))
y - monety 1 zł
uklad rownan
x+y=34 /*(-2)
2x+y=56
-2x-2y=-68
2x+y=56
-y=-12
y=12
x+y=34
x+12=34
x=22
Odp: mamy 12 monet po 1zł i 22 monety po 2zł