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平行四邊形_底5_高3
Author:
keihin
GeoGebra
New Resources
球體建築師
找出對稱軸
異分母分數減法
三位數除以一位數（一）
兩位數加法
Discover Resources
正n邊形內角與外角
以剪貼比較圖形大小 題1
螢橋國中80235康瀚
圓&五邊形
釘版
Discover Topics
Similarity Transformation or Similarity
Polygons
Rectangle
Arithmetic Mean
Parabola