Compléter les trous. Puis cliquer sur "Vérifier". Vous pouvez passer d'un trou à un autre en utilisant la touche tabulation. Attention aux accents sur certains mots.

Convertir les aires suivantes: On enlèvera les zéro inutiles.

54 525 ${\displaystyle m^2}$ = ${\displaystyle h{m}^2}$	8 238 000 ${\displaystyle m{m}^2}$= ${\displaystyle m^2}$	824 ${\displaystyle m^2}$ = ${\displaystyle c{m}^2}$
54 000 000 ${\displaystyle m^2}$ = ${\displaystyle k{m}^2}$	0,39 ${\displaystyle k{m}^2}$ = ${\displaystyle da{m}^2}$	0,052 4 ${\displaystyle h{m}^2}$ = ${\displaystyle m^2}$
53 400 ${\displaystyle d{m}^2}$ = ${\displaystyle h{m}^2}$	82,35 ${\displaystyle d{m}^2}$ = ${\displaystyle m{m}^2}$	0,04 ${\displaystyle k{m}^2}$ = ${\displaystyle m^2}$
12 ${\displaystyle h{m}^2}$ = ${\displaystyle k{m}^2}$	790 000 ${\displaystyle c{m}^2}$ = ${\displaystyle m^2}$	5 000 ${\displaystyle m^2}$ = ${\displaystyle da{m}^2}$
120 000 ${\displaystyle m{m}^2}$ = ${\displaystyle m^2}$	1 500 ${\displaystyle d{m}^2}$ = ${\displaystyle da{m}^2}$	0,02 ${\displaystyle h{m}^2}$ = ${\displaystyle d{m}^2}$