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#15 4-2 例題9
Author:
宋允光
GeoGebra
New Resources
Isosceles Triangle: Quick Construction
Bottema's Theorem
Stairs (Optical Illusion)
Rotating Points (Optical Illusion)
A retro cityscape with mathematics
Discover Resources
Refexion_3.1.290
Transformation Exploration
Year 3 3D problems Eg 2(ii)
Angle of a Pentagon
Proposition 4: The Side-Angle-Side Criterion
Discover Topics
Combinatorics
Logarithmic Functions
Linear Functions
Natural Numbers
Limits