Question

determinati multimile a si b stiind ca AUB {123456789}
b-a {45678}​

Answer 1

A={1,2,3,9}
B={4,5,6,7,8}

Sper ca te-am ajutat.
Coroana?☺️

Answer 2

Răspuns:

AUB={1,2,3,4,5,6,7,8,9}

B-A={4,5,6,7,8} (elemente care sunt B si nu apartin lui A)

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

=> A={1,2,3,9}