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惠更斯原理 圓形動畫
Author:
陳澤瑩
GeoGebra
New Resources
兩位數加法
【案例】2013年安徽高考15题
画直线等分三角形的面积
判斷球體
【案例】圆柱体内放置一个大球六个小球
Discover Resources
Symmetric設計對稱圖案(一條對稱軸)斜2
黎曼和
quadrilaterals 3
徐州2015中考-28
旋轉三角形
Discover Topics
Quadratic Equations
Plane Figures or Shapes
Rational Numbers
Arithmetic Mean
General Quadrilateral