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Viviani's curve
Author:
Chenwei Chen
GeoGebra
New Resources
錐體建築師
球体的体积推导
画直线等分三角形的面积
兩組對邊相等的四邊形
兩位數除以一位數（二）
Discover Resources
指數函數與二次函數101.11.26
Quiz on Equation of Straight Lines 直線的方程：測驗
圆锥曲线定义的拓展（卡西尼卵形线）
Arbelos
任意正N边形在圆内滚动顶点的轨迹
Discover Topics
Function Graph
Logic
Hypothesis Testing
Terms
Conditional Probability