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兩組對邊相等的四邊形
AI 訓練教室
近似值：有效數字
找出對稱軸
拼砌四邊形

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相似三角形
相似三角形
分數乘法1
三角形內角和為180度
構作放大圖形

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Median Value
Centroid or Barycenter
Intersection
Terms
Set Theory

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