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根據百分率找數量（二）: 例2 的複本
Author:
Miss Tsang
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
Claude 解幾何題
算柱 (兩位數)
畫出對稱圖形
國旗 (Claude 版)
判斷球體
Discover Resources
三心：與三角形形狀的關係
three circle touching each other
太极图
验证2
手拉手模型
Discover Topics
Trigonometric Functions
Variance
Geometry
Functions
Vectors 3D (Three-Dimensional)