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三角形的外心
Author:
侯杰材
GeoGebra
New Resources
折扣
第八周作业2
球体的截面
第八周作业1
斐波那契螺旋弧线(表格法)
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給錐體一個名字 3
數學操作課程_20150920
半圓柱
分數與百分數的分別
φ的影响
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Expected Value
Translation
Cylinder
Histogram
Arithmetic Operations