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比流器3相連接方法--U,Z,Y,Δ
Author:
歐鎮寬
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橢圓的副本
滚动的正四面体
no.1
未命名
練習_對稱
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判斷柱體10
夾擠單位圓的面積
林昌翰 拋物面鏡
面積與積分值
Directed numbers
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Geometric Transformations
Symmetry
Orthocenter
Straight Lines
Square
