Odpowiedzi

2009-10-08T19:42:21+02:00
1/8*21/2=1/8*5/2=5/16s
Odp: 2,5m pokona w 5/16s
4 3 4
2009-10-08T19:48:35+02:00
⅛ m/s
1m - 8s
2,5*8=20 sekund
5 5 5
2009-10-08T19:49:18+02:00