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椭圆的一种画法.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
,
Ellipse
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩位數加法
GeoGebra笔记功能体验课件
拼砌四邊形
畫出對稱圖形
Discover Resources
vbcvbcvbcvbcvbcvcv
一組物件的幾分之幾（練習）
barara magic stick
star
函数的单调性和导数的副本
Discover Topics
Linear Regression
Diagrams
Straight Lines
Upper and Lower Sum or Riemann Sum
Complex Numbers