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Drawing quadrilaterals on the grid or the pinboard
Author:
Anthony OR 柯志明
GeoGebra
New Resources
錐體建築師
三位數除以一位數(一)
【案例】2013年安徽高考15题
画直线等分三角形的面积
三位數除以一位數(二)
Discover Resources
阿基米德(3,8,8)
圓錐的展開圖
Prism and Cylinder 4
三角形的內角和+內心與外心
千分位分數
Discover Topics
Means
General Quadrilateral
Pythagoras or Pythagorean Theorem
Secant Line or Secant
Triangles