X 9 7 18 July 8, 2019 16 32 64 128 9 х 7 18 X 2 9 7 18 Х 2 9 7 18 5 9 x 7 18 2 9 x 7 18 решение 9 x 7 * 3 x 18 0 9 x 7 * 3 x 18 9 7 x 180 9 14 x 7 18 5 8 9 x 7 1 18 9 x 1 7 )= 18 13 9 x 18 7 9 7 x 187 7 9 x 18 25 cancellation method 7 9 x 18 21
