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Polygonal numbers
Author:
Tung Chao
Topic:
Numbers
Use triangular and square numbers to investigate number patterns
GeoGebra
New Resources
找出對稱軸
【案例】2013年安徽高考15题
球体的体积推导(优化版)
兩組對邊相等和有直角的四邊形
錐體建築師
Discover Resources
蝴蝶線 butterfly line
畢氏定理
例题1
數學解題2
projection02
Discover Topics
Statistical Characteristics
Parametric Curves
Area
Indefinite Integral
Boxplot