1 2 x 9 x 7 x 5 July 8, 2019 16 32 64 128 4 x 5 )+ 2 x 9 )= 3 x 7 )- 1 1 x 25 x 6 x 7 9 2 5 3x 15 1-9 математика 1 7/9 x 2 1) 5/7 = x / 91
