\title{Producto o suma}
\language{es}
\range{-5..5}
\author{Guerimand Fabrice}
\email{fwguerima@free.fr}
\computeanswer{no}
\format{html}
\precision{100}

\integer{a=random(2..10)}
\integer{b=random(2..10)}
\integer{c=random(2..10)}
\integer{d=random(2..10)}
\text{bad=una suma,un producto}
\matrix{don=\a \times \b,2
\a+\b,1
\a\times\b+\c,1
\a\times(\b+\c),2
\a+\b\times\c,1
(\a+\b)\times\c,2
(\a+\b)\times(\c+\d),2
\a+\b\times\c+\d,1
\a+\b\times(\c+\d),1}

\integer{no=random(1..9)}
\text{don=row(\no,\don)}
\text{enonce=item(1,\don)}
\text{good=item(item(2,\don),\bad)}

\statement{Complete la expresión:
<center>\(\enonce) es \embed{reply 1}</center>}

\reply{Respuesta}{\good;\bad}{type=dragfill}
