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五星形的頂角
Author:
周桂名
隨便畫的一筆劃五角形,有一個不變值,就是五個頂角的角度和!相信嗎? 試試看!
GeoGebra
New Resources
柱體建築師
球體建築師
四邊形的特性
兩組對邊相等的四邊形
判斷球體
Discover Resources
模版 - 有框黑板 (1)
點到直線距離-3 最短發生在垂直時
動畫
Angles between line and planes in a cuboid
任務4的副本
Discover Topics
Similarity Transformation or Similarity
Hypergeometric Distribution
Vectors 2D (Two-Dimensional)
Statistics
Exponent