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623劉虹圻 方形地毯
Author:
呂麗珠
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
四邊形的特性
拼砌四邊形
畫出對稱圖形
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題七
No.3
Copy of 賺賠：例1
直角三角形的內心與相似
圖二 的複本
Discover Topics
Calculus
Probability
Linear Programming or Linear Optimization
Pyramid
Centroid or Barycenter