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包絡橢圓
Author:
Wu Xiao-Ren
Topic:
Ellipse
操作說明:
1. 拖曳A點,則切線s可以包絡出橢圓(所有切點的軌跡).
GeoGebra
New Resources
画直线等分三角形的面积
四邊形的特性
兩組對邊相等和有直角的四邊形
兩位數除以一位數(一)
錐體建築師
Discover Resources
了解圓方程(1)
gyz3d Hyperbolic Paraboloid
圖形的周界 3
带电粒子在匀强磁场中的运动
滚动系列
Discover Topics
Prism
Confidence Interval
Logarithmic Functions
Median Value
Pie Chart or Circle Chart