Last Updated：2025/12/04
The mathematician explained how a harmonic progression is formed when the reciprocals of its terms make an arithmetic progression.
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The mathematician explained how a harmonic progression is formed when the reciprocals of its terms make an arithmetic progression.
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数学者は、各項の逆数が等差数列になるときにどのように調和数列が形成されるかを説明した。
