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Author:
alicesung0324
GeoGebra
New Resources
兩位數加法
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
畫出對稱圖形
拼砌四邊形
Discover Resources
畫三角形 題1b
正立方體中的正四面體
橢圓動畫
平面
三角形的垂心(一)
Discover Topics
Set Theory
Pythagoras or Pythagorean Theorem
Coordinates
Variance
Standard Deviation