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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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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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円の面積2
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回転体(四角形)
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直方体の表面の最短距離
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y=x^2の関数の変域
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虹が見えるのはなぜ?
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プリズム
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非球面レンズ
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人工衛星打上げシュミレーション
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太陽系惑星の運動
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放物線の焦点
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