%@metapost:6fractionexo65.mp
%@P:exocorcp
%@Dif:2
Indique les fractions correspondantes aux flèches.
\[\includegraphics{6fractionexo65.1}\]
%@Correction:
$a=\dfrac3{12}$; $b=\dfrac4{12}$; $c=\dfrac7{12}$; $d=\dfrac9{12}$;
$e=\dfrac{13}{12}$; $f=\dfrac{15}{12}$.