Question

determinati multimiile A si B stiind ca sunt indeplinite simultan conditiile AUB={1,2,3,4,5,6,7,8,9} AnB={4,5,6,7} A\B= {1,2,3}​

Answer 1

Răspuns:

AUB={1,2,3,4,5,6,7,8,9}, AnB={4,5,6,7}, A\B = {1,2,3} ==>

=>A={1,2,3,4,5,6,7}

B={4,5,6,7,8,9}