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Internal tangent

Author:jaycheung2016plk

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【案例】2018年全国1卷理科12题
画直线等分三角形的面积
兩組對邊相等的四邊形
拼砌四邊形
畫出對稱圖形

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阿波羅尼亞圓的副本

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Linear Functions
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