5 2 x 7 18 July 8, 2019 16 32 64 128 2x 5 x 7 18 2 x 7 )- 18x 4 5 7 5 x 2 2 72 18 189 5 x 7 2 x 14 2x 5 x 7 18 resposta 5 x 7 = 35 5 x 7 1/2
