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P4 分數基礎
Author:
harryau
P4 分數基礎
GeoGebra
New Resources
四邊形的特性
找出對稱軸
畫出對稱圖形
画直线等分三角形的面积
柱體建築師
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拋物線規
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
螺線相似正N邊形
圓外切四邊形
自學練習_兩位數乘三位數
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Centroid or Barycenter
Unit Circle
Ellipse
Probability
Linear Programming or Linear Optimization