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The Dihedral Group of the Square
Author:
Chenwei Chen
GeoGebra
New Resources
活动三：应用性质
圓的切線方程
第八周作业
龙形曲线-分形龙
折扣
Discover Resources
多邊形上的自由動點
國中數學
正方形中點連線及分角線交點連線形狀
三角函數
聯立方程組
Discover Topics
Polygons
Symmetry
Addition
Similar Triangles
Cuboid