2 5x 1 25 July 8, 2019 16 32 64 128 X 2 2 5x 1 25 25x 2 5x 1 5x 1 2 25x2 25x 2 5x 1 4 12 5x 1 2 25 1 4x 2 5x 25 5x 1 2 4 25 5x 2 3x 25 1 2 1 2x 2 5x =- 18 25 25 5x 1 2 40 =- 4
