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ΣΣk=1+3+6+
Author:
Bunryu Kamimura
∑k(k-1)=(n-1)n(n+1)/3を使う。
GeoGebra
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6章⑥三角柱の展開図
standingwave-reflection
平均変化率
sine-wave
等積変形2
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w=coszの写像
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Use of quadratic equation (moving point)v3 2次方程式の利用
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Random Variables
Frequency Distribution
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