###### tags: `數學問題` # 佩瑜問題 $\begin{align}\end{align}$ ### 11/17 1.  2.  3.  4.  5.  6.  7.  8.  ### 10/26 1.  2.  3.  4.  5.  ### 10/20 1.   2.   3.   4.   ### 10/13 1.  
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