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外心

Author:吳淑惠

Topic:Constructions

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【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
球體建築師
兩組對邊相等的四邊形
異分母分數減法

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Reference Angle 參考角
rotational symmetry_1
小五面積
National_Flag
达芬奇椭圆仪

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Differential Equation
Linear Programming or Linear Optimization
Distributions
Cone
Geometry

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