Odpowiedź :
Odpowiedź:
a 3000m= 3km
12000m =12 km2
30 000m = 30 km
1 000 000m = 1000km
B 40cm =4dm
100 cm = 10dm
150cm= 15 dm
3m =30 dm
10m = 100dm
C 200cm = 2m
1000 cm = 10 m
1500cm = 15m
20 000cm = 200m
d 30m = 3000cm
200m = 20 000cm
200m = 20 000cm
1000m = 100 000cm
50 000m = 5000 000cm