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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
錐體建築師
算柱 (兩位數)
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
Discover Resources
平面向量
testing
第一本
Rotation: Rolling Motion的副本
双动点求三角形最大面积演示
Discover Topics
Solids or 3D Shapes
Algebra
Sequences and Series
Fractions
Poisson Distribution