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瞧一瞧看一看~设a=1/(1/1000+1/1001+1/1003+1/1004+……+1/1998+1/1999),则
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相关问题
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a=1/(1/1000+1/1001+1/1002+.+1/1998+1/1999).求a的整数部分是多少
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(2000-1)+(1999-2)+(1998-3)+…+(1002-999)+(1001-1000)
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(2000-1)+(1999-2)+(1998-3)+…+(1002-999)+(1001-1000)
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(1/2000-1)*(1/1999-1)*…*(1/1001-1)*(1/1000-1)
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(1998/1-1)(1997/1-1)(1996/1-1)...(1001/1-1)(1000/1-1)
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(1998/1-1)(1997/1-1)(1996/1-1).(1001/1-1)(1000/1-1).
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(1/1998-1)(1/1997-1)(1/1996-1)...(1/1001-1)(1/1000-1)
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(1)│1/1999-1/1998│+│1/1998-1/1997│-│1/1999-1/1997│
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求(1/2001-1)*(1/2000-1)*(1/1999-1)*…(1/1001-1)*(1/1000-1)的值
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瞧一瞧,看一看!↓_↓下面是小妹不会做的题!