Question

um exemplo de sequencia numérica

Answer 1

2, 4, 6, 8, 10, 12, 14, 16

Answer 2

{1,2,3,4,5,6,7,8...} números naturais
{-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8...} números inteiros