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內切圓半徑證明

Author:陳兪宏

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圓的基本性質
直線的斜率：水平變化 & 鉛垂變化
科氏力 (Coriolis Force)
垂直線的斜率
球体的体积推导

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正四面體、正六面體、正八面體
君子球
雙曲與漸近線
立體圖形
翰林數學_2下_CH3-1_對頂角必相等

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