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凹多边形的凹凸角之间的大小关系
Author:
郭勇
GeoGebra
New Resources
第八周作业1
撒针估算面积实验
第八周作业3
龙形曲线-分形龙
第八周作业2
Discover Resources
三角形的分割與組合(2)
正12面體內接正四面體
tesselation
同心多邊形
Graph of Trigonometry
Discover Topics
Integers
Inequalities
Cube
Similar Triangles
Trigonometric Functions