🚨 Lancement de la 3ème phase de tests : Je m'inscris au webinaire !

🚨 Lancement de la 3ème phase de tests :

Je m'inscris au webinaire !

Last week, $y=teachers$ ordered $nb1$ $x=cl1$ for his class. Given that $y$ received $nb2$ boxes, how many/much $x$ were there in each box ?