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Author:
lamanleung
GeoGebra
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四邉形 (四年級) 教師版
四邊形的特性
兩位數加法
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
JavaScript
園內接三角形
L: y=mx+1
空間向量座標
perimeter of rectangle
Discover Topics
Geometry
Trapezoid
Percentages
Geometric Transformations
Centroid or Barycenter