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根據百分率找數量（一）: 例2
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
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兩組對邊相等的四邊形
畫出對稱圖形
長方體平面投影 (Codex版)
AI 訓練教室
國旗 (Claude 版)
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Homework4
S3 Probability
製作一個面積是30平方厘米的梯形。
勾股定理：射影无字证明
空间中两直线的位置关系
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Sphere
Exponential Functions
Median Line
Constructions
Right Triangles