Odpowiedzi

2010-02-10T17:07:17+01:00
2010-02-10T17:07:45+01:00
X - nóż
y - łyżka

x = 2y
3y = x + 60g

x - 2y = 0
-x + 3y = 60
___________
y = 60

x = 2y
x = 2*60
x = 120g ;)
3 4 3