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三角形的四心-五線-內外二圓的副本
Author:
庄晓阳
,
Ho-Kai Chen
四心:內外重垂
GeoGebra
拉動三角形的頂點,看看圖形的變化
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Discover Resources
fold and unflod the cone with geogebra5.0
集合
表面積
各種切圓
指数函数的副本
Discover Topics
Histogram
Cone
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Line Segment
Median Line