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勾股树
Author:
谢鹏
GeoGebra
New Resources
正方形雪花图案
平行線的判定
斐波那契螺旋弧线（表格法）
中华人民共和国国旗
双心四边形
Discover Resources
圓外一點到圓的距離
Homework8
平分圓周1
封閉圖形填顏色
圆锥曲线折纸操作题（教材案例）
Discover Topics
Vectors 3D (Three-Dimensional)
Histogram
Integers
Isosceles Triangles
Scalene Triangles