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圖三 的複本
Author:
Michael Ma
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
柱體建築師
四邊形的特性
球体的体积推导（优化版）
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
Discover Resources
周界-平移法(教學練習一)
軌跡觀察---圓及正三角形上線段中點
sin的平移與伸縮
两次折叠
S0G4L2 到两点距离的运算值为定值1：到两点距离和
Discover Topics
Sine
Trigonometric Functions
Confidence Interval
Natural Numbers
Perimeter