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教学素材：圆锥曲线极坐标方程
Author:
清风拂琴，陌上花开
GeoGebra
New Resources
近似值：有效數字
畫出對稱圖形
小数 的副本
三半圓間的相切圓(Codex╱2026.10.07)
國旗 (作圖步驟直接餵給 Claude)
Discover Resources
Quiz on Solving Inequalities 解不等式：測驗
testing
正12面體內的正四面體製作
工具：PlaneString
高中物理·小船过河问题
Discover Topics
Prism
Geometric Distribution
Complex Numbers
Arithmetic
Coordinates