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Fie A si B doua multimii. Cunoscand: a)card(AUB)=10, card A=7, card B=5 calculati card (AnB) b) card A=10, card (A\B)=4​

Fie A Si B Doua Multimii Cunoscand AcardAUB10 Card A7 Card B5 Calculati Card AnB B Card A10 Card AB4 class=