Question

três conjuntos X tal que A C X,Sendo A=[2,4,6]

Answer 1

1º = x1= { 0,1,2,3,4,5,6}

x2 = { -3,-2,-1,0,1,2,3,4,5,6,7,8}

x3 = { 2,4,6,8,10,12,14}