Logarithm of 1 to base 1; base 1 logarithm of 2

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この利用者は中級の日本語ができます。

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Dieser Benutzer hat grundlegende Deutschkenntnisse.

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Cet utilisateur peut contribuer avec un niveau élémentaire de français.

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該用戶能以基本的中文進行交流。
该用户能以基本的中文进行交流。

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