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抛物线中与三角形重心有关的轨迹.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
兩位數加法
三位數除以一位數（二）
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
Discover Resources
Relationship between Volume and Surface Area of a Sphere 球體的體積與表面面積的關係
Circle Rule
三角形外心
大黨小黨－政黨票的掙扎
Illusion-平行线错觉
Discover Topics
Poisson Distribution
Geometry
Area
Pyramid
General Quadrilateral