Question

Determinati multimile A si B siind ca sunt indeplinite simultan relatiile:


a) A reunit B={1,2,3,4,5,6,7,8,9}
b) B\A ={4,5,6,7,8}
c) {3,9} intersectat B = multimeavid
d) A intersectat B= {1}

Answer 1

A apartine {1,2,3,9}
B apartine {4,5,6,7,8}