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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
算柱 (兩位數)
直角坐標平面上的旋轉變換
Fibonacci Clock
判斷球體
四邊形的特性
Discover Resources
弦的定理
學測105-9
很厲害喔
圓外切四邊形
对多边形对角线、内角和、外角和的理解
Discover Topics
Similarity Transformation or Similarity
Logarithmic Functions
Boxplot
Quadrilaterals
Line Segment