Silviabotnarenco Silviabotnarenco 22-10-2019 Matematică a fost răspuns Calculati card A∩B, daca: a) card A=33, card B=16, card A∪B=40 b) card A=26, card B=15, card A∪B=27 c) card A=14, card B=23, card A∪B=37