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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
球体的体积推导
四邊形的特性
兩位數除以一位數（二）
Discover Resources
三角函數
Sequence指令練習(逐一套疊正方形)
優良作品1(沛綺)
regtrg
gegebra学习过程
Discover Topics
Continuity
Straight Lines
Integral Calculus
General Quadrilateral
Functions