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ニコマコスの定理 · Vinony

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ニコマコスの定理

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EntityQ2197859· pop 14· linked from 229 articles

ニコマコスの定理

1からnまでの立方数の和は、n番目の三角数に等しいことを述べる定理

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Image: Nicomachus theorem 3D.svg

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