Odpowiedzi

2010-02-08T21:13:15+01:00
X + 1 = 3
2x + 1 = x + 3
x/3 + 1/3 = 1
xy = 3y
x² + x + 1= 3 + x²
2010-02-08T21:29:49+01:00
X²+1+x=x²+3

Xz=3z

x+1=3

1+2x=3+x

1/3+3x=1