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橢圓
Author:
洪宜慧
GeoGebra
New Resources
平行線的判定
比較五件物件的重量
常见四边形是否是双心四边形
撒针估算面积实验
龙形曲线-分形龙2
Discover Resources
VV圓
三角函數
Drawing quadrilaterals on the grid or the pinboard
正方体展开图的副本
撒针估算面积实验
Discover Topics
Percentages
Tangent Function
Definite Integral
Differential Calculus
Parametric Curves