Răspuns:
1 km 1000m 100 000cm 1000 000mm
1m=100cm
175,25cm= 1752,5mm
1mm= 1000 micrometri
25km= 25 000 000mm
6micrometrii=0,006mm
45mm=4500micrometrii
35mm=3,5cm
15,2cm=152mm
1inch=25,4mm
17inch=438mm
