4 x 7 )- 6x July 8, 2019 16 32 64 128 4 x 7 6x 2 4 x 7 )-( 6x 2 )=- 8 4 x 7 6x 2 8x 4 x 5 )= 7 x 1 )- 6x 24 4 x 7 )+ 8 1 6x 5 6x 4 )+ 7 x 6 )=- 12 4x 4 6x 7 4 x 7 )+ 1 =- 1 6x 4 3 x )= 6x 7 4x10 4 x 6x10 7 2 x 4 )- 7 6x 13 4 x 1 )= 6x 7 2x 4x10 4 x 6x10 7 in standard form X 7 6x =- 4 17 6x 4 x 7 )= 18