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優良作品2
Author:
Ching-Hui Chou
GeoGebra
New Resources
正方形雪花图案
斐波那契螺旋弧线(表格法)
第三周作业效果演示
龙形曲线-分形龙2
第八周作业
Discover Resources
方格紙上畫平行四邊形2
中線定理(阿波羅尼奧斯)定理推廣一:斯圖爾(Stewart)定理
volume of tetrahedron and parallelepiped
有趣的梯形面積問題
圆锥曲线的产生
Discover Topics
Sphere
Arithmetic
Median Line
Correlation
Fractal Geometry