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比較分數大小
Author:
Tam
,
whtong
GeoGebra
New Resources
画直线等分三角形的面积
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
三位數除以一位數（一）
畫出對稱圖形
Discover Resources
五下_分數除法(學生版)
使用中
GGB動畫
三位小數
三角函數-sin
Discover Topics
Similar Triangles
Upper and Lower Sum or Riemann Sum
Tangent Line or Tangent
Linear Programming or Linear Optimization
Planes