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GeoGebra
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GeoGebra
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GeoGebra
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In-centre
Author:
johnmayhk
GeoGebra
New Resources
椭圆内切圆链
盈利與虧蝕
折扣
平行線的判定
正方形雪花图案
Discover Resources
clock
多邊形面積探究1
Compare areas by cutting shapes Q2
我的第一个GGB绘本
含有任意量词与存在量词的最值问题
Discover Topics
Fractal Geometry
Root
Standard Deviation
Ratios
Linear Programming or Linear Optimization