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congruent (SSS)
Author:
Ricky Chan
GeoGebra
New Resources
拼砌四邊形
四邊形的特性
近似值：有效數字
畫出對稱圖形
找出對稱軸
Discover Resources
幸運輪
阿波羅圓
周界-平移法(練習二)
[洋葱] 一线三等角的应用
Copy of 「相似三角形」任务2
Discover Topics
Quadrilaterals
Dilation
Hypothesis Testing
Upper and Lower Sum or Riemann Sum
Confidence Interval