Odpowiedzi

2009-09-09T18:40:29+02:00
1/3*(5,2+2,9)=1/3*8,1=1/3*81/10=81/30=2i21/30=2i7/10=2,7
1 5 1
2009-09-09T18:42:43+02:00
2009-09-09T18:43:35+02:00