Odpowiedzi

2009-11-08T20:35:59+01:00
2009-11-08T20:36:00+01:00
300 000 km/s * 1s/4=300 000/4 km=75000 km
2009-11-08T20:36:16+01:00
300000 km/s × 1/4 = 300000/4 km/s = 75000 km/s