2 9 81 July 8, 2019 16 32 64 128 2 * 9 81 * 5 2 * 9 81 * 10 9 2 81 in logarithmic form 9 2 81 4 2 9 x 81 2 9 18 81 1 2 * 9 81 2 9 х 81 Sqrt 2 * 9 81 3 2 * 9 81 A 9 2 81 2a А 9 2 81 2а 7 2 81 9 9 2 3x 81 A 9 2 81 2a упростить
