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焦点弦3
Author:
liu
GeoGebra
New Resources
盈利與虧蝕
正方形雪花图案
龙形曲线-分形龙
异形操场
镂空正方体案例对比
Discover Resources
尤拉線
軌跡,摺紙,滾動,實驗觀察,曲線
例子
函數平移
有向數的加法
Discover Topics
Hypergeometric Distribution
Trapezoid
Tree Diagrams
Logic
Mode