7) log₄ 27 / log₆₄ 3 = log₄ 3³ / log₆₄ 3 = 3log₄ 3 / log(4³) 3 = 3log₄ 3 / (1/3)log₄ 3 = 3 / (1/3) = 9
Ответ: 9