Question

scrieti 2 mu8ltimi a caror reuniune este multimea [0,1,2,3,4,5,7,8] b) dati exemplu de3 multimi a caror intersectie este multimea [1,4,9]

Answer 1

a)  A={0,1,2,3}
      B={4,5,7,8}
      A U B={0,1,2,3,4,5,7,8}

b)  A={1,2,3,4,5,9}
      B={1,4,6,7,8,9}
      C={1,4,9,10}
      A intersectat cu B intersectat cu C={1,4,9}