Răspuns:
a)AuB= {1,2,3,....,2222}
b)AnB={1918,1920,1922,...,2002}
(la subpunctul b doar numere pare)
Salut!
Explicație pas cu pas:
AUB={1,2,3,...,2222}
card AUB=2222
AnB={1918,1920,1922,1924,1926,1928,1930,...,2002}
card AnB=(9x5+2)
card AnB=47
Sper ca te-am ajutat!
