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相同圖形的拼砌（梯形）
Author:
ho ting chit
Topic:
Trapezoid
GeoGebra
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四邊形的特性
世界平面地圖 (Codex╱2026.10.07)
直角坐標平面上的旋轉變換
算柱 (兩位數)
湖南省张毅郴数字教研工作室 logo
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圖A
尋找三角形的內切圓
正方形
任務2的副本
动态曲线
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Exponential Functions
Upper and Lower Sum or Riemann Sum
Rational Numbers
Constructions
Algebra