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椭圆焦点三角形演示
Author:
LaoCH
Topic:
Conic Sections
GeoGebra
New Resources
折扣
平行線的判定
第八周作业3
第八周作业1
百分數及其應用
Discover Resources
應該是錯誤的圖
Rectangle_03
Apollonius Problem gergonne 4
使用試算表 四邊形轉轉
Copy of 包含除法（1 ÷分數）
Discover Topics
Numbers
Square
Trapezoid
Polygons
Incircle or Inscribed Circle