平方級的通式不對。第y次迭代時有一項(M+y）*（M+y-1)=M^2+（2y-1)M+y^2-y

來源: wxcfan123 於 2023-03-16 10:07:21 [舊帖] [給我悄悄話] 本文已被閱讀：次

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