👤

AJUTORRRRR... Fie A si B multimi , iar card A x card (A\B)=14 . Determinati card (AUB)

Răspuns :

A={1,2,3,4,5,6,7,8,9,10,11,12,13,14}
B={3,5,7,10} AB={3,5,7,10}