donnees= x=y, x y,\
x\neq y \Rightarrow (x<y \quad \textrm{ou}\quad y<x), x y,\
\forall z\in\NN\char44 (x\leq z \quad\textrm{et}\quad z\leq y) \Rightarrow x\leq y, x y,z\
\forall y \in \CC^*\char44 x^2=y^2 \Rightarrow x=y\, x,y\
\forall z \in \CC\char44 x^2=y^2 \Leftrightarrow x=y, x y,z\
\forall x\char44 y \in \CC\char44 x^2 \neq z^2 \Rightarrow x \neq y, z, x y\
\forall x\char44 y\char44 z \in \CC\char44 x^2 \neq z^2 \Rightarrow x \neq y,, x y z\
\exists p\char44 q \in \NN\char44 x=8p+9q, x, p q\
x\neq 0 \Rightarrow(\exists y\in\NN\char44\quad x<y<2x), x, y\
\forall A\in \mathcal{B}\char44 (A \quad\textrm{et}\quad B) \Rightarrow (B \quad \textrm{et}\quad A), B, A\
n!=\prod_{i=1}^{n}i ,n, i\
\forall n\in\NN^*\char44 n!=\prod_{i=1}^{n}i,, i n\
(a+b)^n=a^n+\dots+C^k_n a^{n-k}b^k+\dots+b^n,a b n, k\
\forall a\char44 b \in\CC\char44\quad (a+b)^n=\sum_{k=0}^{n}C^k_n a^{n-k}b^k, n, a b k\
\int_0^1 x^2dx=\frac{1}{3},, x\
\int_a^b x^2dx=\frac{b^3-a^3}{3}, a b, x\
\forall a\char44 b\in\RR\char44\quad \int_a^b x^2dx=\frac{b^3-a^3}{3},, a b k\
\lim_{x\rightarrow+\infty}x^2=+\infty,, x\
\lim_{x\rightarrow+\infty}x^2-a^2=+\infty, a ,x\
\exists r\in\RR^+* \char44\quad \exists a\in\CC\char44\quad \forall x\in\CC\char44\quad |x-a|=r \Leftrightarrow x\in P,P,a r x\
\exists a\in\CC\char44\quad \forall x\in\CC\char44\quad |x-a|=r \Leftrightarrow x\in P,r P,x a\
\forall x\in\CC\char44\quad |x-a|=r \Leftrightarrow x\in P,P a r,x\
\exists r\in\RR^+* \char44\quad \forall x\in\CC\char44\quad |x-a|=r \Leftrightarrow x\in P,P a,r x

val2=!randint 1,2
val4=libres, lies
val5=!item $val2 of $val4
val7=!randline $donnees

enonce=!item 1 of $val7
enonce=\($enonce)

tmp=!item $[1+$val2] of $val7
goodrep=!words2items $tmp
badrep1=$empty
badrep2=$empty

question=Dans l'nonc suivant, identifier les variables $val5.<p> <center> $enonce </center><p> (ATTENTION: Sparez vos variables par des virgules)
chronodirect=oui
convent=$empty
