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Author:
Leung Chun Kit
GeoGebra
New Resources
近似值：有效數字
找出對稱軸
Nested spiral octagon
四邉形 (四年級) 教師版
長方體平面投影 (Codex版)
Discover Resources
二次函數開口大小的變化與平方項係數的改變
類尺規作圖
利用Geogebra說明y=a(x－h)2＋k的圖形性質
函数求导
三角形的面積的副本
Discover Topics
Standard Deviation
Circumcircle or Circumscribed Circle
Stochastic Process or Random Process
Normal Distribution
Parallelogram