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GeoGebra
Congruent (SS) 3
Author:
Ricky Chan
New Resources
转动的八卦
内凹的正方形
面积解题
外凸的正方形
二次函数一般式参数的作用
Discover Resources
Concept of Ratios 比的概念
Easter egg
小數加減
畢氏定理動畫
功課
Discover Topics
Expected Value
Straight Lines
Addition
Rhombus
Similar Triangles