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特殊線.ggb
Author:
cyrus
GeoGebra
New Resources
錐體建築師
找出對稱軸
第八周作业
画直线等分三角形的面积
兩組對邊相等的四邊形
Discover Resources
發現畢氏定理
正方變十字
My GGB BOOK
畢氏定理
C60足球模型（金丝彩球）
Discover Topics
Trigonometric Functions
Similarity Transformation or Similarity
Polygons
Linear Regression
Right Triangles