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固定面積的圖形周界變化
Author:
phcheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
四邉形 (四年級) 教師版
找出對稱軸
畫出對稱圖形
球體建築師
錐體建築師
Discover Resources
常態分配
Question 8
三次函數
愛心立體圖
玖数小学数学(思维拓展)
Discover Topics
Normal Distribution
Quadrilaterals
Similar Triangles
Poisson Distribution
Straight Lines