Question

Fie multimile A={1 ,2,3,4,5,6,7},:B={5,6,7,8,9} :C={1,2,3,7,12}. Aflati;A U B;A U C;B U C;AnB:

Answer 1

aub=(1,2,3,4.5.6.7.8.9,)
auc=(1,2,3,4,5,6,7,12)
buc=(1,2,3,5,6,7,8,9,12)
anb=(5,6,7)

Answer 2

A U B = {1.2.3.4.5.6.7.8.9} A U C ={1,2,3,4,5,6,7,12} B U C = {1,2,3,5,6,7,8,9,12} AnB= {5,6,7}