Missing

\title{Développement avec fractions}
\language{fr}
\range{-5..5}
\author{Odile Bénassy}
\email{obenassy@free.fr}
\computeanswer{no}
\format{html}
\precision{10000}

\integer{numexo=random(1,2)}
\text{data=shuffle(2,3,5)}
\text{a=item(1,\data)}
\text{b=item(2,\data)}
\text{d=item(3,\data)}
\if{\b=2}{\text{c=random(3,5)}}
\if{\b=3}{\text{c=random(2,4,5)}}
\if{\b=5}{\text{c=random(2,3,4,6)}}

\text{s1=random(-1,+1)}
\text{s2=random(-1,+1)}
\text{s3=random(-1,+1)}
\text{s4=random(-1,+1)}
\real{res1 = (\s1) * (\s3) * (\a/\c)}
\real{res2 = (\s1) * (\s4) * (\a/\d) + (\s2) * (\s3) * ((\d*\b)/(\a*\c))}
\real{res3 = (\s2) * (\s4) * (\b/\a)}
\text{reduite=\res1 x^2 + \res2 x + \res3}

\text{sa1 = \s1=1 ? : -}
\text{sa2 = \s2=1 ? + : -}
\text{sa3 = \s3=1 ? : -}
\text{sa4 = \s4=1 ? + : -}

\text{expression = (\sa1 (\a/\b) * x \sa2 (\d/\a))(\sa3 (\b/\c) * x \sa4 (\b/\d))}
\text{factorisee = \((\sa1 \frac{\a}{\b} x \sa2 \frac{\d}{\a})(\sa3 \frac{\b}{\c} x \sa4 \frac{\b}{\d}))
}


\text{range=shuffle(1,2,3,4,5,6)}
text{sentences=item(\range, \sentences)}
text{seconds=item(\range, \seconds)}

\statement{

\if{debug iswordof \oefenv}{
<p>\factorisees
<p>\reduites
}
<p>Développer l'expression littérale suivante
<p><center>\factorisee = \embed{reply 1}</center>
}

\answer{}{\expression}{type=function}