Question

numerele cel mult egale cu 13

Answer 1

numerele cel mult egale cu 13 : 0,1,2,3,4,5,6,7,8,9,10,11,12

Answer 2

A={x∈N+ I x≤13}, A={0,1,2,3,4,5,6,7,8,9,10,11,12,13}