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橢圓的定義畫圖
Author:
SUN YUNG CHANG
GeoGebra
New Resources
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
錐體建築師
找出對稱軸
算柱 (兩位數)
Discover Resources
动态展示圆面积的构成
心型線
雙曲線
等軸雙曲線
半圓柱(可改底面圓半徑、柱高)
Discover Topics
Unit Circle
Fractal Geometry
Area
Algebra
Indefinite Integral