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Author:
劉家宏
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題5
毕氏螺线
GGB printable logo 3
A-2 itationList与毕氏螺线
平面几何基础 命题5
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曲柄滑塊
齒輪作圖
几何变换练习
數粒
省政信箱
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Vectors 3D (Three-Dimensional)
Similar Triangles
Conditional Probability
Polynomial Functions
Quadratic Functions