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等線段作圖
Author:
郭逸民
GeoGebra
New Resources
錐體建築師
三位數除以一位數（一）
異分母分數減法
找出對稱軸
【案例】2018年全国1卷理科12题
Discover Resources
Angles at the same segment
等腰三角形 － 等角對等邊
圓錐截痕
柏拉圖立體的"循環節"草2
用几何概型估计pi值
Discover Topics
Upper and Lower Sum or Riemann Sum
Means
Quadratic Equations
Histogram
Cylinder