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椭圆画法1--参数方程法
Author:
冯伟冀
GeoGebra
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【案例】2013年安徽高考15题
柱體建築師
畫出對稱圖形
GeoGebra笔记功能体验课件
兩位數加法
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折线逼近 exp(x)
神之作
圓柱
星形工具(1060724)
旋轉長方形
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Probability
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Kite
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Real Numbers