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椭圆内部全等的双椭圆构造.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邊形的特性
兩位數除以一位數（一）
GeoGebra笔记功能体验课件
判斷球體
Discover Resources
七巧板揖人2
Section Curves (2)
圆锥曲线包络
圈柱(可調整內半徑、外半徑，柱高)
Sequence指令作圖-1
Discover Topics
Arithmetic Operations
Random Variables
Tangent Function
Equations
Logarithmic Functions