Question

determinati multimile a si b stiind ca satisfac simultan conditiile
a) a U b = (1 2 3 4 5 6 7)
b) a u intors b = (3 4)
c) a u intors (5 6 7)=0 taiat
d) ( 1 2) u intors b = 0 taiat

Answer 1

A={1;2;3;4}
B={3;4;5;6;7}