3 3x 4 )= 9x 12 July 8, 2019 16 32 64 128 5 x 2 )- 4 3x 3 )=- 9x 12 9x 4 3x 3 12x 2 3x 12x 4 )- 9x 4x 3 )= 30 3x 12x 4 )- 9x 4x 3 3x 4 12x 3 =- 9x 1 3 x 3 = 9 3 x 3 x 3 x 3 x