2 x 7 9 July 8, 2019 16 32 64 128 2 x 7 9 2 x 7 )= 9x 2 x 7 9 − 3 3 2 x 7 98 2 х 7 )= 9 2х 2 7 x 9 8 2 7 x 9 10 2 7 x 91 2 7 x 9 14 2 7 x 9 4 2 7 x 9 5 2 7 x 9 11 2 7 x 9 18 2 7 x 9 6 2x 2 7 9
