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angle 123
Author:
zhihuai1982
GeoGebra
New Resources
判斷球體
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
算柱 (兩位數)
兩位數除以一位數（二）
Discover Resources
special
圖一
勝者即正義，可愛即正義~
包絡線：拋物線
圖形周界_H
Discover Topics
Reflection
Variance
Similarity Transformation or Similarity
Parametric Curves
General Quadrilateral