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COS 特別角
Author:
羅驥韡 (Pegasus Roe)
Topic:
Trigonometry
GeoGebra
New Resources
找出對稱軸
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
畫出對稱圖形
球體建築師
Discover Resources
畢氏定理動態證明(歐基里得，平形四邊形等面積，應用polyline)
可互相控制的動點與滑桿
找中點的坐標的副本
基础知识
S6G6时间轴——历史上的名人
Discover Topics
Optimization Problems
Quadratic Equations
Hypergeometric Distribution
Tangent Line or Tangent
Boxplot