(( x 9 7 5 July 8, 2019 16 32 64 128 X 9 560 7 X 7 9 5 6 X 7 9 =- 512 9 x 7 5x 9 x 7 54 X 7 9 5 3 9 x 7 5 8 9 х 7 54 6 Х 7 9 512 9 х 7 5 X 9 2 7 5 4 9 x 7 5 5 x 9 )- 7 3x 6 )= 25 X 7 )(- 5x 9 )= 0 9 7 x 5 12