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內切圓滾動有圖更新
Author:
李春培
內切圓滾動有圖更新
GeoGebra
New Resources
拼砌四邊形
三位數除以一位數（二）
球體建築師
畫出對稱圖形
球体的体积推导
Discover Resources
「相似三角形」任务3
高中二年級向量
尋找等腰三角形 Isosceles Triangle Hunt
拋物線的兩切線
Circle
Discover Topics
Tangent Line or Tangent
Line Segment
Logarithm
Pythagoras or Pythagorean Theorem
Plane Figures or Shapes