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GeoGebra
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小学资源收集
比較五件物件的重量
斐波那契螺旋弧线(表格法)
椭圆内切圆链
异形操场
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「相似三角形」任务2
Simultaneous Linear Equations 聯立二元一次方程
Apollonius Problem 7 CCP power inversion 12
Rectangle
謝爾賓斯基三角形
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Inequalities
Histogram
Exponential Functions
Statistics
Definite Integral