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proof30黃煒皓
Author:
郭亮偉
GeoGebra
New Resources
判斷球體
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
畫出對稱圖形
三位數除以一位數（一）
Discover Resources
正整數的指數律練習
測試作業？
對稱(LEVEL 1)
密鋪2
常见立体的展开图
Discover Topics
Ellipse
Real Numbers
Matrices
Circumcircle or Circumscribed Circle
Poisson Distribution