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Tool3P4P之二
Author:
侯杰材
GeoGebra
New Resources
常见四边形是否是双心四边形
圓的切線方程
直線的斜率：水平變化 & 鉛垂變化
三角函数 的副本
科氏力 (Coriolis Force)
Discover Resources
生活中的平面圖形─多邊形的性質
學習單：Hilbert Curves
對稱之美
橢圓1--四圓心近似法
圆-视觉差
Discover Topics
Pythagoras or Pythagorean Theorem
Symmetry
Linear Equations
Cylinder
Continuity