Question

cum se rezolva asta: Calculați D_96 reunit cu D_ 72

Answer 1

D 96={ 1,2,3,4,6,8,12,16,24,32,48,96}
D 72={1,2,3,46,8,9,12,18,24,36,72}
D 96 U D 72={ 1,2,3,4,6,8,9,12,16,18,24,32,35,48,72,96}
U- reunit (toate elementele)
n- intersectat (elementele comune)
\ sau - minus( ce este in a si nu este in b)

Answer 2

D 96={ 1,2,3,4,6,8,12,16,24,32,48,96}
D 72={1,2,3,46,8,9,12,18,24,36,72}
D 96 U D 72={1,2,3,6,8,9,12,16,18,24,32,35,48,72,96}