Предмет: Математика, автор: artembanera282

Пожалуйста помогите,заранее спасибо.

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Автор ответа: planpeace

0

Ответ:

Пошаговое объяснение:

loga (b) - loga (c) = loga (b/c)

loga (b) + loga (c) = loga (b*c)

log1/3 (54*81/2) = log1/3 (27*81) = - log3 (3^3 * 3^4) = - log3 (3^7) = -7 log3 (3) = -7 * 1 = -7

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