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20200213勾股定理的几何原本证明
Author:
陈敦莹
GeoGebra
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三角函数 的副本
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waaachen
Apollonius Problem 6 CLP Inversion 34
橢圓軌跡01
consistent equation 3x3
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
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Subtraction
Cylinder
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Circle