5x x 2x 9 July 8, 2019 16 32 64 128 5x x 2x 9 3 5x 2x x 9 )= 6 5x x 6x 2x 9 5x 2x 9 6 x 3 3 x 5 )- 5x 2x 9 5x 7 x 9 2x 4 X 2x 5x 4x =- 9 3 X 3 2x 9 5x 6 1 18 5x 3 x 2x 9 resposta 5x 3 x 2x 9 resultado 5x 3x x 2x 9 X 5x 9 2x 7 5x 9 x 9 2x 19 5x 4 x 9 )= 2x 3 X 5x 10 9 2x 7