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勾股定理的证明:弦图面积平移法
Author:
李洋
GeoGebra
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中华人民共和国国旗
盈利與虧蝕
龙形曲线-分形龙
斐波那契螺旋弧线(表格法)
第三周作业效果演示
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waaachen
花瓣曲線
gjh-f01-00 最短距離與對稱點
題2
纏繞畫2
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Linear Equations
Arithmetic Operations
Geometric Transformations
Perimeter
Sequences and Series