Question

A={x apartine N* / x mai mic sau egal decat 16}​

Answer 1

Răspuns:

Explicație pas cu pas:

A={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}

B={1,2,3,4}

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

A reunit cu B={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}

A/B={5,6,7,8,9,10,11,12,13,14,15,16}

B/A=mulțimea vidă

Sper ca te-am ajutat..

Answer 2

A={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}, daca x era strict < decat 16 atunci 16 nu era inclus in multime