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祖暅原理
Author:
孟宝兴
GeoGebra
New Resources
判斷球體
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
柱體建築師
四邊形的特性
Discover Resources
說明用01
等積的正六邊形與正方形
國旗(青天白日)
angle between 2 planes 01
勾股定理的直观证明（义务教育数学 新课标-例82）
Discover Topics
Orthocenter
Quadrilaterals
Equations
Linear Functions
Surface