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Author:
海平 文
GeoGebra
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常见四边形是否是双心四边形
异形操场
龙形曲线-分形龙2
龙形曲线-分形龙
椭圆内切圆链
Discover Resources
combos ()
比例線段截面積
同底等高
Angle between line & plane
四邊形的特性
Discover Topics
Function Graph
Vectors 2D (Two-Dimensional)
Histogram
Parametric Curves
Percentages