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Es.217 (2020.01.23)
Author:
Giampietro Martini
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Bottema's Theorem
Pelecoid
Play C3 E3 G3 C4_C4
Viviani's Window
Discover Resources
Peaucellier-Lipkin Linkage; Kissing Circle
tutoSurface1
Paraellel lines
การบวกจำนวนเต็ม
Parallel Line Analysis - Base 1
Discover Topics
Vectors 3D (Three-Dimensional)
Pyramid
Orthocenter
Fractal Geometry
Fractions