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根據百分率找數量（二）: 例2的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
Earth with coastline
國旗 (作圖步驟直接餵給 Claude)
找出對稱軸
Fibonacci Clock
四邉形 (四年級) 教師版
Discover Resources
中研院數學所
密鋪2
等分旋轉
Fractal
Copy of 包含除法（1 ÷分數）
Discover Topics
Conic Sections
Percentages
Complex Numbers
Orthocenter
Geometric Mean