2 0 5x July 8, 2019 16 32 64 128 2 0 5x x 0 =- 2 5x 4 2 5x2 0 2 5x 0 5 0 2 5x 6 0 2 5x 10 0 2 5x 3 2 5x 0 8 0 2 5x 1 2 3x 0 5x 9 Y 2 0 5x 4x 2 0 5x 3 4x 2 5x 0 2x 2 5x 0 3x 2 5x 0