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根據百分率找數量（二）: 例1
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
New Resources
sanjiaohanshu
Earth with coastline
兩組對邊相等和有直角的四邊形
判斷球體
長方體平面投影 (Codex版)
Discover Resources
tccs work
工具箱
proof25陳佑豪
多項式函數
GeoGebra 检测教程
Discover Topics
Matrices
Logarithmic Functions
Linear Programming or Linear Optimization
Special Points
Step Functions