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GeoGeBra畫橢圓形的動態軌跡
Author:
李俊賢
Topic:
Ellipse
GeoGebra
New Resources
錐體建築師
異分母分數減法
【案例】圆柱体内放置一个大球六个小球
画直线等分三角形的面积
三位數除以一位數（二）
Discover Resources
色彩視覺藝術
Travel Graph 行程圖
GGB研習作品
Parallel lines
Choose the most suitable 'improvised units'(中間人)
Discover Topics
Perimeter
Trapezium
Tangent Line or Tangent
Frequency Distribution
Statistical Characteristics