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圖四

Author:GeoGebra Institute of Hong Kong

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兩組對邊相等和有直角的四邊形
sanjiaohanshu
近似值：有效數字
三位數除以一位數（二）
四邊形的特性

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雙曲線
圖一
amoeba
二次函數圖像
Addition and Subtraction of Directed Numbers (1)

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Similarity Transformation or Similarity
Ratios
Median Line
Natural Numbers
Similar Triangles

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