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DragonCurve_2018Sep-1
Author:
David HUNG
GeoGebra
New Resources
兩組對邊相等的四邊形
四邊形的特性
美國國旗 (Codex 版)
四邉形 (四年級) 教師版
第八周作业
Discover Resources
Apollonius Problem gergonne 3
兩線段和圓3
折線運動1
二次函數
Copy of 銳角三角：sin, cos
Discover Topics
Trapezium
Plane Figures or Shapes
Surface
Logarithm
Planes