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雙曲線之極偶 / polarity for hyperbola
Author:
XIE Yuheng
GeoGebra
New Resources
第八周作业
兩位數除以一位數（一）
直線的斜率
空间中两直线的位置关系
漂亮的摇摆曲线
Discover Resources
Test
P6 圓周01C
包絡線
切割圓面積的副本
畢式定理 (13)的副本
Discover Topics
Circle
Matrices
Parametric Curves
Multiplication
Parabola