(27a^ 5b^ 3/3^5a^ 7b^ 5)^ 1

请输入您的数学问题…… (27a^-5b^-3/3^5a^-7b^-5)^-1

问题

(27 a^{-} 5 b^{-} 3/ 3^{5} a^{-} 7 b^{-} 5)^{-} 1

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