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根據百分率找數量（二）: 例1 的複本
Author:
Miss Tsang
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
Earth with coastline
幾何作圖題：切三圓（題目）
Fibonacci Clock
國旗 (Claude 版)
世界平面地圖 (Codex╱2026.10.07)
Discover Resources
初三奥赛：圆的切割线问题
國旗
硬幣
[洋葱] 根据图象求参数取值范围-上(0118)
莫比乌斯带
Discover Topics
Pythagoras or Pythagorean Theorem
Bar Chart or Bar Graph
Square
Scatter Plot
Tangent Function