15 * 3 x = 9 July 8, 2019 16 32 64 128 15 3 x 9 15 3 x 9 47 15 3 x 9 6 15 3 x 9 4 15 x 3 90 15 х 3 x 9 15 2 x 3 )= x 9 3 15 x 5 9 8 15 3 10 * x * 9 3x 3 x 15 )= 9 15 x 3 99 15 1 3 x 9 15 3 x 7 9 15 4 3 x 96 3 15 35 x 99 143