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13-5-1-迈克耳逊干涉仪-尤景汉
Author:
王翚
GeoGebra
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湖南省张毅郴数字教研工作室 logo
四邉形 (四年級) 教師版
畫出對稱圖形
兩組對邊相等和有直角的四邊形
Earth with coastline
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雙曲線20160521
五年級
定周长的正多边形面积变化规律(含圆)
双动点求三角形最大面积演示
利用頂點描述二次函數 的複本
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Equations
Geometric Distribution
General Quadrilateral
Rhombus
Equilateral Triangles