Bonsoir,
3,4 dam = ......3 400... cm
1 709 dm = ...170,9......m
0,075 dL = .75.....mL
50 400 dg = 504.....kg
0,064 hm = 6,4m.....
54,3 hm = 543 ......dm²
27,18 dam² = ....271 800....dm²
0,002 km²= 2 000......m²
87,4 mm² = 0, 00874........dm²
0,49 7 hm² =.....497 000... dm²
582,7 a = 5,827......ha
750 dm² = ....0,00 075....ha
