Question

Enumerati elementele multimilor :
A={x|x∈M₁₂ si x≤ 60}
B= { y | y∈ M₁₈ si y ≤ 60} A (U) in jos B

Answer 1

A={x|x∈M₁₂ si x≤ 60} 
M₁₂ = {12,24,36,48,60}
B= { y | y∈ M₁₈ si y ≤ 60}
M₁₈ = {18,36}
 A (U) in jos B = {36}