2 5 x 4 3 5 July 8, 2019 16 32 64 128 (- 7 6 2 5 x (- 4 )-( 3 5 2 5 x 3 4 x 5 6 2 5 x 3 4 x 5 8 2 5 1 4 x 3 5 2 5 x 4 9 x 3 5 7 2 5 3x )= 4 x 3 )+ 5 20 2 5 4 x 3 5 3 2 3 4 5 x 3 5 as a fraction 5 4 x+ 2 3 )= 5 42 2 5 x 3 7 =- 4 5 2x 3 2 5 5x 4 5 2x 5 4 x 3 2 5 5 x 4 )- 1 2 4x 3 )- 5 2 15 x 3 5 x 4 5 3 x 2 5 4 5x 1