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移動的線段中點軌跡觀察
Author:
min
GeoGebra
New Resources
Ellipse as Envelope - Correspondence Method
Ellipse, Hyperbola and Circle as Envelopes
Pelecoid
Play C3 E3 G3 C4_C4
Viviani's Window
Discover Resources
V4_1_49_AlgebraTaylorExpansion
Proof of Pythagorean
Copie de string art libre.
My task
Center of Dilation (5)
Discover Topics
Geometric Transformations
Matrices
Confidence Interval
Multiplication
Diagrams