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特殊的平行四边形
Author:
宋晓燕
GeoGebra
New Resources
GeoGebra数学资源(4-8年级)
椭圆内切圆链
球体的截面
龙形曲线-分形龙2
异形操场
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畢式定理 (11)
面積切割
錐體體積與柱體體積的關係
圓錐曲線 vs.雙曲線定義式
折三角形
Discover Topics
Geometry
Arithmetic Operations
Parabola
Inequalities
Vectors 3D (Three-Dimensional)