Odpowiedzi

2010-02-14T19:52:18+01:00
(2k + [2k +1] + [2k + 2 ] ) : 3
1 3 1
2010-02-14T19:52:27+01:00
(2k+1+2k+2+2k+3)/3 = (6k+6)/3 = 3(2k+2)/3 = 2k+2
1 5 1