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Author:
黃斌
GeoGebra
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龙形曲线-分形龙2
异形操场
科赫雪花
比較五件物件的重量
百分數及其應用
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優質教育基金計劃中期分享會 (26/6/2015)
抛物线的参数方程
GGB7
比較角的大小 一
和直线和圆同时相切的圆
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Planes
Pyramid
Logarithmic Functions
Sequences and Series
Equilateral Triangles