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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
Earth with coastline
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
國旗 (Claude 版)
算柱 (兩位數)
Discover Resources
onemove
test02繪本用
BkD_act15_03c
Copy of 用 Geogebra 模擬日照、影長變換
S6G7三视图
Discover Topics
Logarithm
Orthocenter
Standard Deviation
Diagrams
Constructions