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Reflectionnn
Author:
lamanleung
GeoGebra
New Resources
判斷球體
兩組對邊相等的四邊形
三位數除以一位數（一）
第八周作业
兩組對邊相等和有直角的四邊形
Discover Resources
Trigonometric Ratios: Cosine & Tangent 三角比：餘弦和正切
二次函數：過任意三點，求函數關係式
Locus: Fixed Distance From Fixed Point
圓內接正N邊形
垂心應用
Discover Topics
Special Points
Correlation
Hyperbola
Optimization Problems
Right Triangles