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三節棍問題
Author:
min
GeoGebra
New Resources
異分母分數減法
画直线等分三角形的面积
錐體建築師
GeoGebra笔记功能体验课件
拼砌四邊形
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色彩視覺藝術：內心與旁心
GeoGebra作圖─ＲＨＳ全等
題A至E
翰林B4講p192_類1
矩阵（自动）计算（数据为0-5的随机数）
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Quadrilaterals
Perimeter
Plane Figures or Shapes
Volume
Intersection