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会动的点阵—龟
Author:
刘护灵
GeoGebra
New Resources
科赫雪花
中华人民共和国国旗
第八周作业
第八周作业1
撒针估算面积实验
Discover Resources
立體圖形的截面
doto属性研究
圓錐截痕
數學繪圖
切線 (The Tangent Line)
Discover Topics
Tangent Function
Trigonometric Functions
Symmetry
Circle
Hyperbola