Odpowiedzi

2010-03-27T13:07:57+01:00
3/(x - 3) - x/(x + 1) = 3(x + 1) / (x - 3)(x + 1) - x(x - 3) / (x -3)(x + 1) = 3(x + 1) - x(x - 3) / (x - 3)(x + 1)
5 2 5