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Author:
洪馷孺
GeoGebra
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Claude 解幾何題
Earth with coastline
近似值：有效數字
兩組對邊相等的四邊形
美國國旗 (Codex 版)
Discover Resources
部分佔全部的百分率 :例2
consistent equation 3x3
弧長與圓周角成比例
指数函数的副本
正餘弦函數的疊合
Discover Topics
Hypergeometric Distribution
Stochastic Process or Random Process
Parametric Curves
Standard Deviation
Pie Chart or Circle Chart