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Author:
Lin Ching Chieh
GeoGebra
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画直线等分三角形的面积
四邊形的特性
第八周作业
【案例】2013年安徽高考15题
GeoGebra笔记功能体验课件
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謝爾賓斯基三角形(Sierpinsky)
曲柄滑塊
Centres
勾股定理的证明
operation of matrix
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Cylinder
Boxplot
Variance
Tree Diagrams
Functions