10 =- 4x 12 July 8, 2019 16 32 64 128 4x 10 12x 4x 10 122 6x 10 4x 12 2x 10 4x 12 3x 10 4x 12 3 4x 10 )=- 126 4x 10 x 12 12x 10 4x 6 5x 10 4x 12 4x 10 120 4x 10 12x 18 7 4x 10 12 )- 6 10 =- 1 4x 12 16x 10 4x 12x 30 5x 5y 10 4x 12