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勾股树
Author:
谢鹏
GeoGebra
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双心四边形
龙形曲线-分形龙
异形操场
第八周作业2
比較五件物件的重量
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解題的結果
判斷球體 7
Prism and Cylinder 3
Two lines
人教版必修1函数的表示方法P20例4
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Matrices
Arithmetic
Linear Programming or Linear Optimization
Complex Numbers
Frequency Distribution