%@Dif:3
Convertis les aires suivantes dans les unités d'aires données :
\[\Eqalign{
1~\mbox{m}^2&=\ldots~\mbox{cm}^2\kern1cm&0,1~\mbox{m}^2&=\ldots~\mbox{mm}^2\kern1cm&15~\mbox{mm}^2&=\ldots~\mbox{cm}^2\cr
352~\mbox{hm}^2&=\ldots~\mbox{m}^2&312,5~\mbox{cm}^2&=\ldots~\mbox{dm}^2&0,53~\mbox{hm}^2&=\ldots~\mbox{dam}^2\cr
\cr
94~\mbox{m}^2&=\ldots~\mbox{dm}^2&4,91~\mbox{cm}^2&=\ldots~\mbox{dam}^2&9,54~\mbox{km}^2&=\ldots~\mbox{dam}^2\cr
2\,714~\mbox{dam}^2&=\ldots~\mbox{dm}^2&7,345~\mbox{dm}^2&=\ldots~\mbox{mm}^2&7\,115,2~\mbox{dm}^2&=\ldots~\mbox{m}^2\cr
}\]