True: A={1,2,3} ; B={2,3,4,5} ; A⋃B={1,2,3,4,5}, A={3,5,7}; B=Ø; A⋃B=A, A={1,2,3}; B={2,3,4,5}; A⋂B={2,3}, A={3,5,7}; B=Ø; A⋂B=B, A={1,2,3}; B={4,5}; A⋂B=Ø, A={1,2,3}; B={2,3,4,5}; A-B={1}, A={1,2,3}; B={2,3,4,5}; B-A={4,5}, False: A={1,2,3}; B={2,3,4,5}; A⋃B={1,2,3,3,4,5}, A={3,5,7}; B=Ø; A⋃B=B, A={1,2,3}; B={2,3,4,5}; A⋂B={1,2,3,4,5}, A={3,5,7}; B=Ø; A⋂B=A, A={1,2,3}; B={4,5}; A⋂B={1,2,3,4,5}, A={1,2,3}; B={2,3,4,5}; A-B={4,5}, A={1,2,3}; B={2,3,4,5}; B-A={1,2,3},

Operações com Conjuntos II

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