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64回第4題
Author:
Gideon Huang
GeoGebra
New Resources
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
小数 的副本
近似值：有效數字
算柱 (兩位數)
Discover Resources
滾動圓周來發現圓周長
Angles between 2 planes
作業 分段函數
香港貨幣
旋轉長方形
Discover Topics
Centroid or Barycenter
Confidence Interval
Circumcircle or Circumscribed Circle
Area
Arithmetic Operations