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勾股定理122
Author:
Niehanyu
GeoGebra
New Resources
撒针估算面积实验
中华人民共和国国旗
斐波那契螺旋弧线（表格法-可动态调节）
平行線的判定
斐波那契螺旋弧线（表格法）
Discover Resources
螢橋國中80209傅筱筑
籐編直線與曲線
GGB 案例分享
認識梯形的特徵
sin(x) 的函數圖形的副本
Discover Topics
Trigonometric Functions
Circumcircle or Circumscribed Circle
Perimeter
Optimization Problems
Vectors 2D (Two-Dimensional)