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Задача 20.9
Author:
Тетяна Паршенко
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Stairs (Optical Illusion)
Angles and Intersecting Lines: Quick Investigation
Ellipse as Envelope - Correspondence Method
Play C3 E3 G3 C4_C4
Discover Resources
Particles in a box
Lorentz transformaties
Isosceles Trapezoid Checkboxes
alien symbol
Geometrical Meaning