Odpowiedzi

2010-04-14T21:20:36+02:00
2010-04-14T21:20:42+02:00
6000m-60min
x- 5 min
5*6000/ 60 = 500 odp a
2010-04-14T21:22:17+02:00
6 km - 600 min
x km - 5 min
x km= (5min*6km)/600min
x km = 0,5 km

1 km - 1000 m
0,5 km - x m
x m = 0,5 *1000m
x m = 500 m

odp a