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判斷球體（欖球）
Author:
Martin Fong
GeoGebra
New Resources
Thin Slice Pythagorean Discovery
Parabola - An Optical property
Taylor Series for e^x
Creating Parametric Equations
Burj Al Arab
Discover Resources
Josslyne Kunz O3 Qtr1Project
Perpendicular Bisectors
Types of Triangles
Rectangle Construction
درس الانعكاس
Discover Topics
Coordinates
Parametric Curves
Geometric Mean
Trigonometry
Cuboid