Question

Fie multimile :A=(2,5,6,8,9)si B=(1,3,5,7,9)
Calculati AuB, AnBsi B/A.
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Answer 1

AuB= (1,2,3,5,6,7,8,9)
AnB=(5,9)
B-a=(1,3,7)

Answer 2

AuB={2,5,6,8,9,1,3,5,7,9} AnB={5,9} B/A={1,3,7}