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一线三等角
Author:
艳er
GeoGebra
New Resources
第八周作业2
椭圆内切圆链
斐波那契螺旋弧线(表格法-可动态调节)
常见四边形是否是双心四边形
第三周作业效果演示
Discover Resources
對稱和變換
三角形外心的軌跡
Geometric Circle
If x^2 + x + k > 0 for any real value of x, what is k?
全等三角形
Discover Topics
Vectors 2D (Two-Dimensional)
Integers
Isosceles Triangles
Surface
Similar Triangles