3 81 x 4 July 8, 2019 16 32 64 128 Log 81 3 4 x 7 5 Log x 3 81 4 81 x 4 1 3 81 x 3 2 4 3 4 x 81 256 3 * 81 x 9 x 4 3 4x 3 )= 81 x 81 x 1 3 4x 246 3 8x 4 81 x 3 98 4 81 3 x 6 4 7 (- 3 x )= 81 13 x 81 3 4
