2 4 5x 10 July 8, 2019 16 32 64 128 2 5x 4 )= 10x 6 2 x 4 5x 10 2 3x 4 )= 5x 10 2 5x 10 )= 4 2x 5 3 2 4 x )+ 5x 10 10x 2 5x 4 4 5x 7 )= 10x 2 2 5x 3 10x 4 15 7 20x 5x 2 x 4 10x 2x 3 7x 2 4 10 5x 2 5x 4 )= 10x 8 4x 2 4 5x 10 19 =- 4 2 5x 10 17x 2 4 10 5x 3 2 5x )+ 4 100