3 ^ (x 1) = 81 July 8, 2019 16 32 64 128 3 x 1 81 3 x 1 81 as a fraction 3 x 1 81 practice problems 3 х 1 81 3 x 8 1 81 3 4 x 1 81 1 3 x 1 81x 3 3x 7 1 81 3 x 9 x 1 810 0 3 x 2 5x 2 1 81 1 3 x 7 1 81 Решите уравнение 3^1-x = 81 81 * 3 x 1 9 5 x 3 2 1 81 3 3x 1 81