Question

Determinati elementele multimilor A si B stiind ca indeplinesc simultan coditiile:
A U B={ 2,3,4,5,6,7}
A intersectat cu B={2,3,4}
A \B={5,7}

U - reunit
Please !!!
Va rog!!!
Coronita****!!!

Answer 1

A\B={5,7} =>elementele {5,7} ∈A si ∉B
A∩B={2,3,4} =>elementele {2,3,4}∈A si ∈B

=>A={2,3,4,5,7}
=>B={2,3,4,6}