Odpowiedzi

2010-01-11T21:43:40+01:00
3y-(3x-2y)/3=3y-3x+2y/3=y-3x+2y=3y-3x
2010-01-11T21:45:09+01:00
3y-3x+2y
------------- = y - x + 2/3y = 1 i 2/3y - x
3