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根據百分率找數量（一）: 例2 的複本
Author:
Miss Tsang
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
畫出對稱圖形
伊朗國旗 (Codex╱2026.10.07)
國旗 (Claude 版)
美國國旗 (Codex, 2026.10.06)
Fibonacci Clock
Discover Resources
畢氏定理
立體三角測量(例七&八)
給三角形, 求以三頂點為圓心, 作三個外切圓
光的折射
二项式定理
Discover Topics
Correlation
Arithmetic Mean
Division
Vectors
Root