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H Equilateral Triangle Const
作者：
Allison Brown
GeoGebra
最新資源
Thales' Intercept Theorem
Position Vector and Derivative Vector
רישום חופשי
Portions of a Sphere
Proving Triangles Similar by Dilation
探索資源
Secant to Tangent
Rotation of a point about a fixed point O(center of rotation)
translation
火柴 100
探索主題
黎曼和（Riemann Sum）
直角三角形
幾何分布
橢圓
冪函數