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橢圓的切線作圖
Author:
紀延平
GeoGebra
New Resources
讀磅
斜率的值
漂亮的摇摆曲线
三位數除以一位數（二）
圓的切線方程
Discover Resources
比和比值
畫三角形 題4a
三節棍
基础知识
GeoGebra课程的使用
Discover Topics
Geometry
Linear Programming or Linear Optimization
Statistics
Probability
Area