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伸縮矩陣
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
Nested spiral octagon
第八周作业
長方體平面投影 (Codex版)
AI 訓練教室
近似值：有效數字
Discover Resources
線性組合
與園內切且外切的圓心軌跡方程式
線之極點定理 / pole of a line theorem
以 Unit Circle 了解 Sine 的正/負的副本
数一数这是几边形
Discover Topics
Curve Sketching
Trigonometry
Straight Lines
Rectangle
Tangent Line or Tangent