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根據定義畫橢圓2
Author:
Loi Teng Chong
GeoGebra
New Resources
异形操场
科赫雪花
常见四边形是否是双心四边形
盈利與虧蝕
活动三：应用性质
Discover Resources
數學作業
立體圖形的反射對稱
旋轉動畫
Compound Inequalities(複合不等式)
總結
Discover Topics
Hyperbola
Cone
Distributions
Orthocenter
Line Segment