\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Cours
À propos
Se connecter
S'inscrire
\(\{1, 2, 3\} \cap \{4, 5, 6\} =\)
\(\{1, 2, 3, 4, 5, 6\}\)
\(\emptyset\)
\(\{3, 4\}\)
\(\{1, 4\}\)
Exit ➔