Odpowiedzi

2010-03-10T19:22:38+01:00
1:3000 000= 1cm:3000 000cm = 1cm:30 000m= 1cm: 30km

2cm: 60km
2010-03-10T19:22:43+01:00
3000 000 * 2 = 6000 000 cm = 60000 m = 60 km