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peacock2
Author:
李春培
peacock2
GeoGebra
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異分母分數減法
找出對稱軸
球体的体积推导(优化版)
三位數除以一位數(二)
【案例】2013年安徽高考15题
Discover Resources
Pappus古定理證明
雙曲線20160521
放射狀旋轉圖形(2)
拋物線6--包絡線法
圓錐的曲面面積的副本
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Boxplot
Rhombus
Conditional Probability
Ellipse
Ratios