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梅花
Author:
呂麗珠
GeoGebra
New Resources
兩位數加法
算柱 (兩位數)
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
畫出對稱圖形
Discover Resources
Quiz on Angles associated with Parallel Lines 平行線上的角：測驗
電子幾何條
畢氏定理的圖形證明法
分段2
包絡線
Discover Topics
Arithmetic Mean
Secant Line or Secant
Planes
Rotation
Function Graph