Log(4)17 -log(4) 27/256
Решение Log(4)17 -log(4) 27/256 = log₄ [17 - [log₄27 - log₄ 4⁴] = = log₄ 17 - [log₄27 - 4log₄ 4] = log₄ 17 - log₄27 + 4 = log₄ (17/27) + 4