Question

27,+2,-28,51,26,-42,0,35,-27,1 a) quais desses numeros sao naturais b) quais desses numeros sao inteiros

Answer 1

a)

$\mathsf{(0,1,+2,26,27,35,51)\in\mathbb{N}}$

b)

$\mathsf{(-42,-28,-27,0,1,+2,26,27,35,51)\in\mathbb{Z}}$