Respostas

2014-04-24T21:03:12-03:00
Números naturais menores do que 20:
(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19)

a)1,2
b)1,3
c)1,5
d)1,2,5,10
e)1,2,4,5,10,20
f)1,2,3,5,6,10,15,30


1 5 1