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探究判定全等三角形的条件（SAS）！
Author:
孙敏捷
GeoGebra
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第八周作业
畫出對稱圖形
拼砌四邊形
判斷球體
GeoGebra笔记功能体验课件
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费马点
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
函數平移
線性規劃
Find your perfect rectangle
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Natural Numbers
Linear Equations
Rational Numbers
Poisson Distribution
Bar Chart or Bar Graph