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正五角錐
Author:
康靖坤
可以旋轉， 顯示邊， 選擇透視
GeoGebra
New Resources
球體建築師
Fibonacci Clock
兩組對邊相等和有直角的四邊形
長方體平面投影 (Codex版)
sanjiaohanshu
Discover Resources
圖例
圓的性質
歷屆考題
兩點長度
cos(π/n)cos(2π/n)cos(3π/n) ... cos(nπ/n) = ?
Discover Topics
Triangles
Rectangle
Poisson Distribution
Polynomial Functions
Differential Equation