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基础知识
Author:
ssyzedu
西姆松定理
过三角形外接圆上异于三角形顶点的任意一点作三边的垂线,则三垂足点共线(此线常称为西姆松线).
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
第八周作业
畫出對稱圖形
算柱 (兩位數)
Discover Resources
waaachen
負二項分佈
Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
軌跡,摺紙,滾動,實驗觀察,曲線
廣義角的代換(90,270)
二项分布
Discover Topics
Scatter Plot
Normal Distribution
Mathematics
Boxplot
Parametric Curves