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切線斜率
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
Nested spiral octagon
三半圓間的相切圓(Codex╱2026.10.07)
Claude 解幾何題
找出對稱軸
長方體平面投影 (Codex版)
Discover Resources
用極座標做時鐘
直线平分三角形面积
串珠(大小不同)
基础知识
拼圖2
Discover Topics
Tangent Line or Tangent
Trapezoid
Multiplication
Differential Equation
Boxplot