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Author:
GeoGebra Institute of Hong Kong
GeoGebra
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【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
拼砌四邊形
Discover Resources
如何用GGB化簡根式
光源距離 Light Source Distance
線性變換矩陣（二階）
畢氏定理
六上：圆的面积公式推导
Discover Topics
Arithmetic
Fractal Geometry
Equilateral Triangles
Surface
Numbers