Bonjour,
Conversions :
4,39 m = 439 cm
0,075 m = 0,75 dm
210 dm = 2,1 dam
0,439 km = 43,9 dam
0,75 km = 7 500 dm
2,1 m = 2 100 mm
4,39 km = 4 390 m
7,5 km = 750 000 cm
45m-2,1hm / 210m-4,39m / 439cm-0,075m / 0,75dm-210dm / 2,1dam-0,439km / 43,9dam-0,75km / 7500dm-2,1m / 2100mm-4,39km / 4390m-7,5km / 750000cm-0,21dm
