X ^ 3 - 81x = 0 July 8, 2019 16 32 64 128 X 3 81x 0 Решите уравнение x 3 81x 0 X 3 18x 2 81x 0 X 3 x 2 81x 81 0 X 7 81x 3 0 X 5 18x 3 81x 0 X 3 9x 2 81x 729 0