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光折射
Author:
kevin20020905
GeoGebra
New Resources
第八周作业1
圓的切線方程
龙形曲线-分形龙2
折扣
双心四边形
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平行四邊形面積教材三
Cube
trapezoid2
勾股定理
莱诺三角形 Reuleaux Triangle及其特性
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Polygons
Parametric Curves
Functions
Rhombus
Similar Triangles