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课堂小练习(根据方程画直线)
Author:
朱亮
GeoGebra
New Resources
Ellipse as Envelope - Correspondence Method
"Compressed" Astroid as Envelope
Play C3 E3 G3 C4_C4
Ellipse, Hyperbola and Circle as Envelopes
Witch of Agnesi - A Classical Construction
Discover Resources
Transformations
Andrew's Second Applet
Page 250
Фиг 20
Romo
Discover Topics
Circumcircle or Circumscribed Circle
Parabola
Polygons
Complex Numbers
Addition