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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
找出對稱軸
Earth with coastline
直角坐標平面上的旋轉變換
Nested spiral octagon
畫出對稱圖形
Discover Resources
分數除法2: p/q ÷ b（均分）
題 1
Apollonius Problem 10 CCC wiki
IMO2014C
拋物線3--平行四邊形法
Discover Topics
Circumcircle or Circumscribed Circle
Calculus
Coordinates
Piecewise Functions
Cube