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拋物線
Author:
fu0 fu6
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判斷柱體 6
Similar triangles inscribed iteration
數學傳播39卷4期, 平面幾何公式思考
正五角罩帳
pythLK
New Resources
beetle - bu
序列
正弦函數 y=Sin(x)
S2 Angles Related to Rectilinear Figures
FSNSN004
