|1/2008-1/2007|+|1/2007-1/2006|+|1/2006-1/2005|+|1/2005-1/20

学习 时间:2026-09-26 11:23:27 阅读:1466
|1/2008-1/2007|+|1/2007-1/2006|+|1/2006-1/2005|+|1/2005-1/2004|+……+|1/3-1/2|+|1/2-1|

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成就的小蜜蜂

紧张的鲜花

2026-09-26 11:23:27

|1/2008-1/2007|+|1/2007-1/2006|+|1/2006-1/2005|+|1/2005-1/2004|+……+|1/3-1/2|+|1/2-1| =1-1/2+1/2-1/3+……+1/2004-1/2005+1/2005-1/2006+1/2006-1/2007+1/2007-1/2008=1-1/2008=2007/2008

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  • 娇气的大白
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    2026-09-26 11:23:27

    |1/2008-1/2007|+|1/2007-1/2006|+|1/2006-1/2005|+|1/2005-1/2004|+……+|1/3-1/2|+|1/2-1| =1-1/2+1/2-1/3+……+1/2004-1/2005+1/2005-1/2006+1/2006-1/2007+1/2007-1/2008=1-1/2008=2007/2008

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