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相似多邊形-縮放的性質
Author:
梅
Topic:
Similar Triangles
可自由拉動拉桿k 點A, B, C, O也可自由設置
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找出對稱軸
四邊形的特性
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Fibonacci Clock
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GAUSSTEAM
椭圆的定义的副本
學習單：三角形內(外)角合
餘數處理
足迹
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