Question

Fie multimile A={x|x cifra para} , B={x|x∈N*,x≤5}.Calculati: A∪B,A∩B,A-B,B-A.

Answer 1

A ={0,2,4,6,8}

B={1,2,3,4,5}

A u B =(0,1,2,3,4,5,6,8}

A n B={2,4}

A-B={0,6,8}

B-A={1,3,5}