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二次不等式の解とグラフの関係
Author:
下地博之信
GeoGebra
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standingwave-plus
standingwave-reflection-fixed
等積変形2
standingwave
コイン投げと樹形図
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ｘ＾ｎ－１＝０の解
正方形の作図（省エネ）
日時計
サイクロイド2
等積変形の問題２
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Statistical Characteristics
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Logic
Sphere
Secant Line or Secant