Question

Matemática Alguem Me Ajuda!

Answer 1

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$A=\{2,4,6\} \\ \\ B=\{0,1,2,3,4,5,6\} \\ \\ C=\{1,2,4,5,10,20\}$


$a) \\ A\subset B \\ \\ b) \\ B\not\subset C \\ \\ c) \\ A\not\subset C$