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內切圓
Author:
楊明德
Topic:
Incircle or Inscribed Circle
GeoGebra
New Resources
判斷球體
四邉形 (四年級) 教師版
拼砌四邊形
畫出對稱圖形
兩位數除以一位數（二）
Discover Resources
雙曲線
Geogebra學習檔案
直式算式(可包含單位)
分割多边形
金印的展开图
Discover Topics
Ratios
Difference and Slope
Poisson Distribution
Pythagoras or Pythagorean Theorem
Similarity Transformation or Similarity