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徐晓雷
Author:
徐晓雷
GeoGebra
New Resources
折扣
球体的截面
龙形曲线-分形龙
盈利與虧蝕
科赫雪花
Discover Resources
題4
Perpendicular lines
三棱柱
分割平行四邊形長方形
Copy of 固定面積的圖形的周界變化
Discover Topics
Vectors 2D (Two-Dimensional)
Statistical Characteristics
Median Line
Indefinite Integral
Unit Circle