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根據百分率找數量（二）: 例2的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
美國國旗 (Claude 版)
長方體平面投影 (Codex版)
sanjiaohanshu
兩組對邊相等和有直角的四邊形
找出對稱軸
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分段移動
八芒星
semops_圓錐
基础知识
C60足球模型（弧线）
Discover Topics
Vectors 3D (Three-Dimensional)
Stochastic Process or Random Process
Rational Numbers
Cylinder
Definite Integral