Question

Grigore Gheba - Culegere matematica clasele V-IX Editura ICAR
72. Fie multimile Aub={c, m, n}; AUC={m, b, c).
Sa se determine multimea Au(Bng)​

Answer 1

A∪B={c, m, n};

A∪C={m, b, c).

A∪(B∩C)​ = (A∪B) ∩ (A∪C) = {c, m, n} ∩ {m, b, c) = {c,m}