3 9 x 3 7 July 8, 2019 16 32 64 128 9 3 3 x )= 7 5x 3 2 9 x 7 3 9 3 x 5 3 7 9 x 3 729 3 9 x 7 14 3 9 x 72 3 9 x 7 8 3 9 x 7 21 3 9 x 7 10 3 9 x 7 1 2 3 9 x 7 6 9 3 4 x 7 3 4 9 x 3 )= 7x 3 3 9x 3 7x 8 9 х 3 7
