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動圓的圓心軌跡為橢圓
Author:
Ho-Kai Chen
Topic:
Ellipse
拉動大圓上的N點, 觀察圖形的變化!
GeoGebra
New Resources
三位數除以一位數（二）
兩位數加法
近似值：有效數字
判斷球體
兩組對邊相等的四邊形
Discover Resources
長方體的切割(二)
固定周界的矩形
三角網狀圖
一线三等角模型
球面坐標
Discover Topics
Set Theory
Statistical Characteristics
Difference and Slope
Interest Calculation
Vectors