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三角形的面积
Author:
刘文明
Topic:
Area
,
Triangles
GeoGebra
New Resources
直角坐標平面上的旋轉變換
畫出對稱圖形
Earth with coastline
找出對稱軸
Nested spiral octagon
Discover Resources
Cross Section of a rectangular pyramid
平均線
Distance(距離公式)
小六 平均數 (供教師講解用)
动点最值问题&抛物线模型
Discover Topics
Median Value
Vectors 3D (Three-Dimensional)
Trapezium
Logic
Upper and Lower Sum or Riemann Sum