2 4 x 6 7 9 8 July 8, 2019 16 32 64 128 1 2 3 4 x 6 7 8 9 2 3 x 4 5 x 6 7 x 8 9 4 5 x 2 9 x 6 7 x 7 8 2) 9 6 x = 8 4 0 7
