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首先,整個討論中,要排除一個數,那就是11,11是最小的回文數,而且還是質數.除了這個數之外,如樓上所說,11的整倍數有一個性質,那就是奇數位上數位之和=偶數比特上數位之和.一個數,如果是偶數長度回文數,那麼同一個數x,必…
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