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九點圓 (9-Point Circle)
Author:
羅驥韡 (Pegasus Roe)
Topic:
Circle
九點圓 參考網址：
維基百科
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
找出對稱軸
算柱 (兩位數)
近似值：有效數字
小数 的副本
Discover Resources
沈老師等腰直角幾何題
利用对称求线段和最值
PMC 2016-17
量角器3
配方法圖解
Discover Topics
Stochastic Process or Random Process
Definite Integral
Equilateral Triangles
Distributions
Arithmetic Mean