Решите пример с логарифмами (пример во вложении)
㏒₁/₃9* ㏒₂(∛2/8) :7^(2㏒₄₉2) = - 2㏒₃3 * (㏒₂∛2 -㏒₂8) :7^(2* (1/2)㏒₇2) =
= - 2㏒₃3 * (㏒₂2¹/³ -㏒₂2³) :7^(㏒₇2) = - 2* ( (1/3) - 3) :2 = -2*(-2 2/3) : 2 = 2 2/3
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㏒₁/₃9* ㏒₂(∛2/8) :7^(2㏒₄₉2) = - 2㏒₃3 * (㏒₂∛2 -㏒₂8) :7^(2* (1/2)㏒₇2) =
= - 2㏒₃3 * (㏒₂2¹/³ -㏒₂2³) :7^(㏒₇2) = - 2* ( (1/3) - 3) :2 = -2*(-2 2/3) : 2 = 2 2/3