计算下面两道题:2x(1-1/2013平方)x(1-1/2012平方)X(1-1/2011平方)X.X(1-1/2平方)(表示分母的平方)1/2!+2/3!+3/4!+4/5!+5/6!+6/7!+7/8!+8/9!请你写出详细的计算过程
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![计算下面两道题:2x(1-1/2013平方)x(1-1/2012平方)X(1-1/2011平方)X.X(1-1/2平方)(表示分母的平方)1/2!+2/3!+3/4!+4/5!+5/6!+6/7!+7/8!+8/9!请你写出详细的计算过程](/uploads/image/z/4082369-41-9.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E9%9D%A2%E4%B8%A4%E9%81%93%E9%A2%98%EF%BC%9A2x%281-1%2F2013%E5%B9%B3%E6%96%B9%EF%BC%89x%281-1%2F2012%E5%B9%B3%E6%96%B9%EF%BC%89X%EF%BC%881-1%2F2011%E5%B9%B3%E6%96%B9%EF%BC%89X.X%281-1%2F2%E5%B9%B3%E6%96%B9%EF%BC%89%28%E8%A1%A8%E7%A4%BA%E5%88%86%E6%AF%8D%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%891%2F2%21%2B2%2F3%21%2B3%2F4%21%2B4%2F5%21%2B5%2F6%21%2B6%2F7%21%2B7%2F8%21%2B8%2F9%21%E8%AF%B7%E4%BD%A0%E5%86%99%E5%87%BA%E8%AF%A6%E7%BB%86%E7%9A%84%E8%AE%A1%E7%AE%97%E8%BF%87%E7%A8%8B)
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