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Protractor
Author:
Cheuk chi fu
GeoGebra
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盈利與虧蝕
龙形曲线-分形龙2
第八周作业
折扣
斐波那契螺旋弧线(表格法-可动态调节)
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Clock24hour
百分數(小學):折扣 / 賺賠
旋轉的概念
幾何萬花筒(難度90%)
gjc099b34 找指定圓圓心
Discover Topics
Algebra
Sine
Vectors 3D (Three-Dimensional)
Numbers
Circle