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cosine formula
Author:
Lam Ho Yeung
GeoGebra
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撒针估算面积实验
正方形雪花图案
斐波那契螺旋弧线(表格法-可动态调节)
龙形曲线-分形龙
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Building Pyramids 建造角錐體
Tedt
總結
葛爾崗點
盈利與虧蝕
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Boxplot
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