3 5 9 x 1 7 9 July 8, 2019 16 32 64 128 3 5 9 х 1 7 9 5 6 x 9 )+ 3 4 x 1 )- 7 9 8 1 27 x 3 7 5 9 x 3 7 1 9 3 x 3 = 9 3 5 - - 9 7 5 x 7 = 35 3 7/9 x 5
