Question

se daumultimile: A={x apartine |3x<13} si B={x apartine N | x<4 } Calculati: Areunit B, A intersectau B, A triunghi B, AxB si BxB

Answer 1

A={0,1,2,3,4}
B={0,1,2,3}
A reunit cu B ={0,1,2,3,4}
A intersectat cu B={0,1,2,3}