Odpowiedzi

2009-12-16T22:21:40+01:00
=6x^2 - 12/4xy+ 15/3xy+3y^3-2xy= |*12
=72x^2-36xy+60xy+3y^3-2xy=
= 72x^2-24xy+3y^3-2xy=
= 72^2+26xy+3y^3