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Author:
李春培
GeoGebra
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兩位數除以一位數（一）
画直线等分三角形的面积
GeoGebra笔记功能体验课件
兩位數加法
兩組對邊相等和有直角的四邊形
Discover Resources
Transit of Venus - Pentagram
【基測數學94v1 單選31】圓的組合面積
三角函數圖形
椭圆的两条垂直切线的交点轨迹 蒙日圆
翰林數學_2下_CH3-2_SSS作圖
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Volume
Cone
Real Numbers
Normal Distribution
Pythagoras or Pythagorean Theorem