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Escher 階梯 (Penrose Stair)
Author:
連琨銘
GeoGebra
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四邉形 (四年級) 教師版
畫出對稱圖形
異分母分數減法
四邊形的特性
【案例】2013年安徽高考15题
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畫圖.....
折紙畫橢圓
集合的交集
兩圖形中點軌跡(1060724)
平行線的斜率
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Mode
Step Functions
Confidence Interval
Piecewise Functions
Diagrams