9x 4 )- 5 2x 7 July 8, 2019 16 32 64 128 9x 4 2x 5 )+( 7x 5 8x 4 75 9x 5 (- 4 2x 7 2x 3 4 9x 5 2 9x 5 )+ 4 2x 1 )= 2 7x 6 9 x 8 =
