6 54 9 2 July 8, 2019 16 32 64 128 6 54 9 25 54 6 27 9 6 9 27 54 n 2241 6 9 21 54 12x 54 6 2x 9 6 4x 9 )= 24x 54 6 24 9 54 54 − 6 4 9 2 20 6 9 54
