X 2 3 7 9 July 8, 2019 16 32 64 128 X 2 3 7 1 9 Х 7 8 2 3 7 9 X 2 3 3 7 6 9 X 4 2 )+ 3 7 =- 2 9 7 2 x 3 )= 9 6x X 3 2 y 7 2 9 X 3 3x 2 9x 7 X 3 3x 2 9x 7 0 7 2 3 x 9 46 2 1 4 x 3 7 9 0 9 x 2 7 3 X 2 9 2x 7 3 x 7 x 2 )+ 20 4 x 3 )- 9 Х 4 2 )+ 3 7 =- 2 9 2 3 5 x 7 9