Missing

\title{Factorisation (correspondance)}
\language{fr}
\range{-5..5}
\author{Odile Bénassy}
\email{obenassy@free.fr}
\computeanswer{no}
\format{html}
\precision{10000}

\integer{a=random(2,3,4,5,6,7,8,9,10,12,15,20)}
\integer{b=random(2,3,4,5,6,7,8,9,10,12,15,20)}
\integer{c=random(3,7,9,21,27)}
\integer{d=random(2,4,5,8,10,16,20)}
\text{s1=random(-,+)}
\text{s2=random(-,+)}
\text{s3=random(-,+)}
\text{s4=random(-,+)}
\real{res11 = (\s1 \a) * (\s3 \c)} 
\real{res21 = (\s1 \a) * (\s3 \c)} 
\real{res31 = (\s1 \a) * (\s3 \c)} 
\real{res41 = (\s1 \a) * (\s3 \c)}
\real{res51 = (\s1 \a) * (\s3 \c)} 
\real{res12 = (\s1 \a) * (\s4 \d)} 
\real{res22 = (\s1 \a) * (\s4 \d)} 
\real{res32 = (\s1 \a) * (\s4 \d)} 
\real{res42 = (\s1 \a) * (\s4 \d)} 
\real{res52 = (\s1 \a) * (\s4 \d)} 

\if{\s1=+}{\text{s1=}}
\if{\s3=+}{\text{s3=}}
\text{\factorisees = 
\s1 \a(\s3 \c x \s4 \d),
\s1 \a(\s3 \c  \s4 \d x),
\s1 \a(\s3 \c a \s4 \d b),
\s1 \a x (\s3 \c x \s4 \d),
\s1 \a a (\s3 \c  \s4 \d b) 
}

\text{\reduites = 
\(\res11 x + \res12),
\(\res21 + \res22 x),
\(\res31 a + \res32 b),
\(\res41 x^2 + \res42 x),
\(\res51 a + \res52 ab)
}



\statement{
<p>Faire correspondre chaque expression avec sa forme factorisée :
<p><center>\embed{reply 1}</center>
}

\answer{}{\reduites;\factorisees}{type=correspond}