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內公切線段長求法
Author:
謝易達
GeoGebra
New Resources
找出對稱軸
畫出對稱圖形
四邊形的特性
兩位數加法
【案例】2018年全国1卷理科12题
Discover Resources
選四塊來拼砌正方形
圓錐曲線---橢圓
S5 Linear Programming
直线平分三角形面积
Christmas Tree
Distributive Law 2 (分配率 2)
Discover Topics
Circle
Parametric Curves
Quadratic Functions
Random Variables
Power Functions