Respostas

2014-06-17T21:38:07-03:00
D (27) = {1, 3, 9, 27}

D (18) = {1, 2, 3, 6, 9, 18}

D (27) ∩ D (18) = {1, 3, 9}

mdc (27, 18) = 9
14 4 14