Question

Se dau mulțimile A={a,b,c} B={a,c,d},C={c,d,e} . Determinati multimile :​

Answer 1

A={a,b,c} B={a,c,d}  C={c,d,e}

a) {b} U {c,d,e} = {b,c,d,e}

b) {a,b} ∩ {a,c,d} = {a}

c) {a} U {a,b,c}  = {a,b,c}

d) {a,b,c,d,e}

e) {c}

f) { a,c} - {c,d,e} = {a}