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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
拼砌四邊形
美國國旗 (Claude 版)
兩組對邊相等和有直角的四邊形
Claude 解幾何題
第八周作业
Discover Resources
Conic Sections
过圆上一点作切线，三步
moon
周界(移邊)
卓蘭高中
Discover Topics
Normal Distribution
Binomial Distribution
Cuboid
Sequences and Series
Differential Equation