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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
畫出對稱圖形
算柱 (兩位數)
錐體建築師
四邉形 (四年級) 教師版
柱體建築師
Discover Resources
ibooks-函數的平移
三角形
ikik
圓柱截痕
speed
Discover Topics
Centroid or Barycenter
Constructions
Functions
Geometric Mean
Secant Line or Secant