Exercice 3: Compléter les conversions suivantes.
km 2
hm 2
hectare
dam 2
are
m²
dm 2
cm 2
mm
2
9,56 km² =
26,369 m² =
156 cm² =
12 547 dam² =
234 cm² =
151,2 dm² =
29 480 are =
1,267 km² =
hectare
.......... dm²
mm²
hectare
m²
m²
km²
dam²