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GeoGebra
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球体的截面
比較五件物件的重量
龙形曲线-分形龙2
斐波那契螺旋弧线(表格法-可动态调节)
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荒島尋寶
長方形分割
正弦公式2
斜率的副本
五邊形
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Rational Numbers
Step Functions
Sphere
Logic
Histogram