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BaseOn3D
Author:
Peng Zheng
GeoGebra
New Resources
Isosceles Triangle: Quick Construction
Supplementary Angles
"Compressed" Astroid as Envelope
Angles and Intersecting Lines: Quick Investigation
Rotating Points (Optical Illusion)
Discover Resources
圓周與直徑的關係
RomanTryIII
Determinant of 2x2 Matrices
SolveMyMaths Action 4!
Equation & Graph of a Circle
Discover Topics
Rational Numbers
Tree Diagrams
Surface
Trigonometry
Logic