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Author:
张珍
GeoGebra
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常见四边形是否是双心四边形
异形操场
斐波那契螺旋弧线(表格法)
比較五件物件的重量
科氏力 (Coriolis Force)
Discover Resources
車線.ggb
Apollonius Problem 7 CCP Inversion simple 34
过圆上一点作切线,三步
二次函數圖形01
tan900
Discover Topics
Inequalities
Integral Calculus
Square
Matrices
Addition