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Rectangle_05
Author:
iedc
GeoGebra
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異分母分數減法
錐體建築師
判斷球體
【案例】2013年安徽高考15题
拼砌四邊形
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任務3
黎曼和
相似三角形的应用
Ex5C#13
勾股定理的直观证明(义务教育数学 新课标-例82)
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Boxplot
Median Line
Inequalities
Vectors 2D (Two-Dimensional)
Curve Sketching