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Author:
Ng Cheuk Hei
GeoGebra
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【案例】2018年全国1卷理科12题
直線的斜率
兩位數加法
球体的体积推导（优化版）
祖冲之的期望：内棋与外棋
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多物件逐一動畫
Copy of 正方体展开图
分割正方体
了解圓方程(2)的副本
勒洛四面体（拼接法）
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Triangles
Statistical Characteristics
Arithmetic Operations
Parametric Curves
Matrices