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三角形重心的变化.许兴华数学
Author:
许兴华数学
Topic:
Geometric Transformations
,
Triangles
GeoGebra
New Resources
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
畫出對稱圖形
算柱 (兩位數)
Discover Resources
眼睛的毛病(近視及遠視)
gjc102a14 三角形內的高
Rotation
標準分解式2
Hamid Naderi Yeganeh segment3
Discover Topics
Natural Numbers
Mode
Arithmetic Mean
Cube
Polygons