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Author:
Keung
GeoGebra
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GeoGebra数学资源(4-8年级)
撒针估算面积实验
正方形雪花图案
第八周作业
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lim sin(x)/x = 1
三角測量02
六角形(草稿)
S3 Ch4.3 例4.6b 三視圖(3D圖)
三角形的重心
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Algebra
Polygons
Parametric Curves
Arithmetic
Surface