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利用Geogebra說明y=ax2＋bx＋c圖形性質
Author:
Fan Kei Faat
GeoGebra
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斐波那契螺旋弧线（表格法-可动态调节）
斐波那契螺旋弧线（表格法）
第八周作业3
龙形曲线-分形龙
常见四边形是否是双心四边形
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雙曲線
Is this a prism 4
Fermat's Spiral
Pyth. theorem
Copy of sin(x) 的函數圖形
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Cube
Parallelogram
Statistical Characteristics
Symmetry
Sequences and Series