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不等式の感じをつかもう!
Author:
斎藤 幸弘
GeoGebra
New Resources
Limaçon / Cardioid as a Locus - A Classical Construction
Ellipse as Envelope - Correspondence Method
Angles and Intersecting Lines: Quick Investigation
Pelecoid
Parallel or Not? (V2)
Discover Resources
GoGeometry Action 108!
Circle Geometry i
Αντιγραφή του Understanding Trigometric functions for various angles
Angle quadrisectors and bisector don't coincide
Dilate...measurement...
Discover Topics
Area
Perimeter
Arithmetic Mean
Differential Equation
Logic