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保持2:3:4
Author:
hjyanghj
Topic:
Geometry
GeoGebra
New Resources
兩位數除以一位數（二）
画直线等分三角形的面积
【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
兩位數加法
Discover Resources
範例：畫圈圈的筆
Task4
分割
My GGB BOOK
rose
Discover Topics
Standard Deviation
General Quadrilateral
Prism
Conic Sections
Pyramid