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Author:
范欣茹
GeoGebra
New Resources
【案例】2013年安徽高考15题
【案例】圆柱体内放置一个大球六个小球
判斷球體
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
Discover Resources
閱讀鐘面及數字鐘（時和分）
简易立体几何
How to draw an ennegon with ruler and compasses?
圓錐曲線的光學性質
探索二次函数的性质
Discover Topics
Arithmetic Mean
Differential Calculus
Probability
Linear Regression
Upper and Lower Sum or Riemann Sum