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SWC 4 centres in a triangle
Author:
hksiusir
GeoGebra
New Resources
龙形曲线-分形龙
平行線的判定
正方形雪花图案
直線的斜率：水平變化 & 鉛垂變化
科赫雪花
Discover Resources
trigonometry3
勝者即正義
P3構作放大圖形
竞猜游戏：说出图中角的大小
单位圆画三角函数图像的副本
Discover Topics
Quadrilaterals
Arithmetic Operations
Sequences and Series
Incircle or Inscribed Circle
Straight Lines