1 4 5 x 3 7 July 8, 2019 16 32 64 128 4 1 5 x 3 2 7 3 7 1 4 x 5 3 7 4x 1 4 5x 7 3 1 4 )( x 12 5 2 3 x 7 5 x 4 )- 1 =- 7x 3 7 1 5 x 3 4 9 1 12 4 3x 5 3 x 7 4 1 2 3 x 4 5 6 7 8 2x 3 5 x 3 4 4x 1 7 8 4 2 6 4 5 x 3 7 9 1 12 1 4 x 5 3 7 4 1 2 x )- 5 x 3 10 )= 7 4 1 4 5 3 2 7 x 5 5 13 4 5 * x 7 3 1 2 9 3 5 1 4 x 3 7 8