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PMC 2014-15 Q6
Author:
Arthur Lee
,
Anthony OR 柯志明
The area of the square (which consists of 3 triangles) is 8 cm^2. The triangles can be rearranged by dragging the red dots to make a rectangle. What will be the perimeter of that rectangle?
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拼砌四邊形
異分母分數減法
找出對稱軸
判斷球體
【案例】2018年全国1卷理科12题
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部分佔全部的百分率: 例3
均分除法(分數÷整數)
二重積分 (Double Integral)
祖暅之《綴術》:「緣冪勢既同,則積不容異。」
勝者即正義
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Trigonometry
Translation
Planes
Solids or 3D Shapes
Quadratic Equations