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Author:
军云
GeoGebra
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龙形曲线-分形龙
第八周作业1
科赫雪花
撒针估算面积实验
常见四边形是否是双心四边形
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研習講義
perimeter
y=x sin(1/x) 的圖形
切割正十二面體(平)
滑杆的數字接力賽-平移旋轉三角形填滿四邊形(加邊框)
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Trapezoid
Surface
Similar Triangles
Tangent Line or Tangent
Parallelogram