1 3 * 6x (- 4 )(- 9 July 8, 2019 16 32 64 128 3 2 5x 1 )= 3 6x 9 4 4 1 5x )= 9 3 6x 5 3 4 8 4x )- 1 3 6x 3 )= 9 0 3 x 1 )+ 6x 4 9 4x 4x 1 3 6x 9 )=- 4 1 3 6x 9 )+ 4 5 3 x 3 1 2x )= 1 4 6x 9 1 2 4x 2 )- 2 3 6x 9 ) 4 1 2 2x 4 )= 1 3 6x 9 3 6x 8 1 4 3 9 7x 8 x 1 4 )= 3 6x 9 )- 8 1 3 9x 2 )= 4 2 3 6x 4 1 4 8x 8 ≥ 2 3 6x 9
