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畫鐘面的副本
Author:
xiaodandan
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
三位數除以一位數（二）
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
兩組對邊相等的四邊形
判斷球體
Discover Resources
兩圓內外公切線
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
三角形內角和
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圆的面积展开的副本
Discover Topics
Vectors 3D (Three-Dimensional)
Symmetry
Linear Functions
Correlation
Tangent Line or Tangent