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根據百分率找數量（一）: 例2
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
New Resources
Nested spiral octagon
找出對稱軸
兩組對邊相等的四邊形
算柱 (兩位數)
小数 的副本
Discover Resources
錐體建築師
平行四邊形的高
square and circle
Arithmetic Series 等差級數
序列
Discover Topics
Real Numbers
Division
Coordinates
Binomial Distribution
Right Triangles