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葛爾崗點
Author:
連琨銘
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未命名
qp9xp54t16
练习1
两个正四面体
有趣的梯形面積問題
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正切函数相关
老皮
最短距離
Triangles with the same height
ACT03B Relationship Between Chords and Angles at Centre
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Parabola
Functions
Trigonometry
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