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坐标变换
Author:
Karl
坐标图形变换
New Resources
找出對稱軸
兩位數加法
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
【案例】圆柱体内放置一个大球六个小球
Discover Resources
南瓜趣臉
vbcvbcvbcvbcvbcvcv
directed number_the age of father and son
一點在圓上跑一點在三角形上跑兩點中點軌跡
平行四邊形面積
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Upper and Lower Sum or Riemann Sum
Ellipse
Linear Programming or Linear Optimization
Centroid or Barycenter
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