Question

sendo a={1,2,3,4,5,8,9} b={3,4,6} c={1,2,4,7}
A) aub
B) cub
C) anc
D) bna

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Answer 1

Explicação passo-a-passo:

AuB={1,2,3,4,5,6,8,9}

CuB={1,2,3,4,6,7}

AnC={1,2,4}

BnA={3,4}