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进杰 周
GeoGebra
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平行線的判定
科赫雪花
斐波那契螺旋弧线(表格法-可动态调节)
镂空正方体案例对比
第三周作业效果演示
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小學數學科 HTML5 Applets
Apollonius Problem 6 CLP Inversion 12
地球20160328
三角形全等的理由 – 題2的副本
解三角形(1)
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Power Functions
Pyramid
Triangles
Differential Calculus
Quadrilaterals