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Catenoid
Author:
Jui-Tang Chen
Catenoid
GeoGebra
New Resources
兩組對邊相等的四邊形
球体的体积推导（优化版）
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
三位數除以一位數（二）
Discover Resources
Quiz on Factorization of Quadratic Polynomials (Cross Method) 因式分解一元二次多項式(十字相乘法)：測驗
五上_面積（二）
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
軌跡,摺紙,滾動,實驗觀察,曲線
對稱圖形
Discover Topics
Arithmetic Mean
Rhombus
Normal Distribution
LCM and GCD
Trigonometry