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兩圓外公切線

Author:郭逸民

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柱體建築師
找出對稱軸
兩位數加法
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积

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弧度與角度
拋物線與光線反射
數學傳播39卷4期, 平面幾何公式思考
test02
卡瓦列里原理

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Mode
Parametric Curves
Prism
Hyperbola
Trigonometric Functions

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