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第18题

Author: 吴勇

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兩組對邊相等的四邊形
拼砌四邊形
畫出對稱圖形
【案例】2018年全国1卷理科12题
找出對稱軸

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正弦定理
perimeter
包含除法（1 ÷分數）
Hyperbola_Horizontal
力的拆解

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Equilateral Triangles
Differential Calculus
Reflection
Unit Circle
Angles

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