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軌跡方程式
Forfatter
Ho-Kai Chen
動圓和定圓C外切, 因兩圓相切, 切點隨著動圓而變動... 動圓的圓心軌跡是拋物線
GeoGebra
Nye Materialer
רישום חופשי
Dilation + Rotation of Pentagons
Learn to Prove: Kite
Kite Function Art
Geometric linkage
Opdag Ressourcer
QuadratInEllipse02
Monthly Loan Repayment with sliders and spreadsheet
What is Perspective?
Incenter
Old Square
Graph transformation visualization
Udforsk emner
Tangentlinje eller Tangent
Diagrammer
Plan
Retvinklede trekanter
Boksplot