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Author:
黃隆偉
GeoGebra
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祖冲之的期望:内棋与外棋
双心四边形
空间中两直线的位置关系
【案例】2013年安徽高考15题
漂亮的摇摆曲线
Discover Resources
畢式定理 (03)
畢氏定理的證明(三移動)
Copy of 圓周公式應用題2
CIRCLE
國旗
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Trigonometric Functions
Statistical Characteristics
Multiplication
Matrices
Plane Figures or Shapes