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邊長與三角形（一） 的複本
Author:
Tony Cheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
錐體建築師
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
Discover Resources
分數乘法3
探究平行四邊形的特性
工具：DimensionArrows
椭圆的定义
藝術著色的副本
Discover Topics
Derivative
Poisson Distribution
Coordinates
Kite
Equilateral Triangles