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yoshiyuki ishitsuka
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yoshiyuki ishitsuka
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javaやjavaスクリプト，Geogebraを使って動的にグラフや図形を動かし，主に中学校数学を視覚的に考 えるサイトを運営しています。
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サイクロイド曲線
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いろいろな螺旋
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サイクロイド曲線の花模様
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ストランドビースト２
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burillian
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二次関数の変域
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正四面体に内接する球
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直方体の表面の最短距離
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