cate elemente are A reunit B stiind ca A are 7 elemente,B are 8 elemente,iar intersectia lor are 4 elemente.repede!!cat mai repede!!dau pct si coroana!!e neaparat!!AJUTATI-MA!!VAA ROGG!!AJUTOR!!SUNT SINGURA SI NU AM PARINTI!!URGENT!!!!PLS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Au 14 elemente deoarece A are 7 iar B 8
Intersectia celor doua multimi cuprinde 4 elemente.
Conform definitiei reuniunea a doua multimi cuprinde toate elemntele celor doua multimi SCRISE DOAR O DATA.! Deci prima multime avand 7 elemente scadem 4 = 3 iar din a doua 8-4=4
Adunam 4+3+4(A intrst B)= 14 elemente.
