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Ebbinghaus illusion

Author:马宁

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圓周公式的應用
空间中两直线的位置关系
【案例】2018年全国1卷理科12题
球体的体积推导
平行線的斜率

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橢圓
動畫
Linear Programming
【高中物理】凸透镜成像
RLC串聯諧振

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Parametric Curves
Arithmetic
Expected Value
Vectors
Hypothesis Testing

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