看了一下兩位的推理。遞推公式中e[2], e[1]是獨立變量。其差不應該納入項差的計算中。

來源: wxcfan123 於 2023-11-26 13:53:00 [舊帖] [給我悄悄話] 本文已被閱讀：次

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