Odpowiedzi

2010-01-25T00:39:38+01:00
(1 + 2/3) * (1 + 2/5) * ... * (1 + 2/1999) =
= (5/3) * (7/5) * (9/7) * ... (2001/1999) =
= (5*7*9*...*2001) / (3*5*7*...*1999) =
= 2001 / 3 = 667