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TakeshiKito

  • 三角形の五心

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    TakeshiKito

  • 三角形の五心を求める

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    TakeshiKito

  • 三角形の五心の性質と軌跡

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    TakeshiKito

  • 2次関数の一般形i

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    TakeshiKito

  • 2次関数の一般形t

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    TakeshiKito

  • 変わるもの変わらないもの

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    TakeshiKito

  • 解の分離

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    TakeshiKito

  • 解の分離①

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    TakeshiKito

  • 最大値(上に凸)

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    TakeshiKito

  • 最大最小(定義域変化)

    Activity

    TakeshiKito

  • 2次関数の最大最小その1i

    Activity

    TakeshiKito

  • 2次関数の最大最小その1

    Activity

    TakeshiKito