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題A至E
Author:
Tse Sir
題A至E
GeoGebra
New Resources
長方體平面投影 (Codex版)
幾何作圖題：切三圓（題目）
直角坐標平面上的旋轉變換
美國國旗 (Codex, 2026.10.06)
近似值：有效數字
Discover Resources
Normal dist. (常態分布互動ggb)
高中, 直線與點對稱
單一族群的競爭理論
happy planet
三角形面积关于动点行程的函数图像
Discover Topics
Linear Programming or Linear Optimization
Incircle or Inscribed Circle
Set Theory
Frequency Distribution
Linear Regression