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椭圆的定义
Author:
jjx01
Topic:
Conic Sections
,
Ellipse
GeoGebra
New Resources
【案例】圆柱体内放置一个大球六个小球
第八周作业
画直线等分三角形的面积
兩位數加法
錐體建築師
Discover Resources
數線的繪製
橢圓螺旋
semops_圓錐
sequence-circle
竞猜游戏：说出图中角的大小
Discover Topics
Rectangle
Fractions
Distributions
Matrices
Boxplot