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Author:
Choi King Hong
GeoGebra
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画直线等分三角形的面积
【案例】2018年全国1卷理科12题
直角坐標平面上的旋轉變換
球體建築師
兩位數加法
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中線定理(阿波羅尼奧斯)定理推廣二：向四邊形推廣
过圆上一点作切线，三步
定義篇
倫敦滾石橋2
百分數及其應用
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Planes
Quadratic Equations
Limits
Arithmetic
Logarithmic Functions