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向量的隐圆3-外接圆(1)
Author:
吕胜
GeoGebra
New Resources
折扣
盈利與虧蝕
斐波那契螺旋弧线（表格法-可动态调节）
龙形曲线-分形龙
平行線的判定
Discover Resources
正弦定理
Simple Interest 單利息
等分例子
乘法練習
包含除法（1 ÷分數）的副本
Discover Topics
Scalene Triangles
Statistics
Centroid or Barycenter
Similar Triangles
Cube