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Geogebra 初學者網頁
Geogebra 初學者網頁
Author:
紀老師
123慢慢來
Empty book
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sanjiaohanshu
長方體平面投影 (Codex版)
算柱 (兩位數)
Earth with coastline
兩組對邊相等和有直角的四邊形
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荒島尋寶
正方形分割
翰林B4講p192-例1
熊大
Copy of 均分除法（分數÷整數）
Discover Topics
Dilation
Terms
Arithmetic Mean
Tangent Line or Tangent
Similarity Transformation or Similarity