海龍公式與內切圓半徑

三角形面積海龍公式與內切圓半徑

 

李春培

 
Material Type
Activity
Tags
triangel 
Target Group (Age)
11 – 14
Language
Chinese Traditional / 繁體中文‎
 
 
GeoGebra version
4.2
Views
3247
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