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徐长俊
GeoGebra
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三位數除以一位數(一)
錐體建築師
異分母分數減法
【案例】2013年安徽高考15题
兩位數加法
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小數試用
conjugate
阿波羅圓
Epicycloid
旋轉長方形
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Trapezoid
Boxplot
Trigonometric Functions
Arithmetic Operations
Continuity