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平行四邊形的特性
Author:
felixchow
GeoGebra
New Resources
Variation Theory Parallelogram Proofs
探究由平行線和截線所成的角
Droste effect draft
Kopie von parabel - parabol
Average Rate of Change: Graph a Function (1)
Discover Resources
drawing an ellipse with a string
Rotation polygons
Algebra of Plane Vectors
اضلاعه متقابلة ومتوازية
Complex parametric curves
Discover Topics
Constructions
Quadratic Functions
Tangent Function
Geometric Transformations
Isosceles Triangles