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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
近似值：有效數字
Nested spiral octagon
四邉形 (四年級) 教師版
Fibonacci Clock
找出對稱軸
Discover Resources
海市蜃樓現象
My second work
創作對稱圖形 LEVEL 4
正方体展开图的副本
圆之吻（Apollonius circles）
Discover Topics
Functions
Poisson Distribution
Quadratic Equations
Complex Numbers
Line Segment