Răspuns:
1cm=10mm
1dm=10cm=100mm
1m=10dm=100cm=1000mm
1km=1000m=10000dm=100000cm=1000000mm
1 cm= 10 mm
1 dm= 10 cm =100 mm
1 m =10 dm= 100 cm = 1000 mm
1 km = 1000 m = 10000 dm=100000 cm= 1000000mm
