2 7 x 1 9 July 8, 2019 16 32 64 128 2 7 x 1 9 12 2 x 7 9 1 3 7 2 x 1 )= 2x 9 5 2 7 x 1 7 9 2 1 7 х 3 1 9 10 2 7 х 1 2 9 2 4 7 х 3 1 9 7 x 1 * 2 x 98 2 9x 1 )+ 7 x 6 )=- 60 2 1 4 x 7 9 2 9 7 8 x 1 4 2 4 5 x 1 7 9 X 1 7 2 1 96 2 3 x 7 ) 1 4 x 9 2 136 1 9 x )= 7 12
