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Author:
许业成
GeoGebra
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活动三:应用性质
异形操场
盈利與虧蝕
科赫雪花
第三周作业效果演示
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一元二次方程式
Section Curves (2)
長方體透視圖(三頂點組成三角形)
maths1
小题狂做P60No2
Discover Topics
Probability
Hyperbola
Rectangle
Cosine
Limits