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動圓的圓心軌跡為橢圓
Author:
Ho-Kai Chen
Topic:
Ellipse
拉動大圓上的N點, 觀察圖形的變化!
GeoGebra
New Resources
折扣
正方形雪花图案
科赫雪花
中华人民共和国国旗
第三周作业效果演示
Discover Resources
面積:從梯形到三角形 02
畢氏定理動態證明(劉徽)
立方和
Properties of a Parallelogram
uguguhu
Discover Topics
Correlation
Logarithmic Functions
Median Value
Polygons
Inequalities