Question

Me Ajudem Nessa Por Favor
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Answer 1

A = {1,3,5,7,9}

B = {1,2,3,4,6,8,12,24}

C = {4,6,8,10,12}

a) () ∪ B = B

b) C - (1,3) = C

c) (1,3) ∪ C = {1,3,4,6,8,10,12}