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內切圓滾動
Author:
李春培
內切圓滾動
GeoGebra
New Resources
找出對稱軸
拼砌四邊形
AI 訓練教室
判斷球體
算柱 (兩位數)
Discover Resources
分數乘法與除法
轉彎的箭頭
畢氏定理1
小球弹射
资料共享每日一题
Discover Topics
Conic Sections
Binomial Distribution
Similar Triangles
Incircle or Inscribed Circle
Angles