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se dau multimile a={1,3,5,7,9} SI B={2,3,4,5,6,7} Multimea b-a este

Răspuns :

B-A=(2,4,6)
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A={1,3,5,7,9}
B={2,3,4,5,6,7}
B-A={2,4,6}