高三数学题两道(急!)1.若在由正整数构成的无穷数列{An}中,对任意的正整数n,都有An小于等于A(n+1),且对任意的正整数K,该数列中恰有2K-1个K,则A2008=________2.若lim(r/1+2r)^(2n+1)存在,则r的取值范围是:_
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![高三数学题两道(急!)1.若在由正整数构成的无穷数列{An}中,对任意的正整数n,都有An小于等于A(n+1),且对任意的正整数K,该数列中恰有2K-1个K,则A2008=________2.若lim(r/1+2r)^(2n+1)存在,则r的取值范围是:_](/uploads/image/z/9452301-69-1.jpg?t=%E9%AB%98%E4%B8%89%E6%95%B0%E5%AD%A6%E9%A2%98%E4%B8%A4%E9%81%93%28%E6%80%A5%21%291.%E8%8B%A5%E5%9C%A8%E7%94%B1%E6%AD%A3%E6%95%B4%E6%95%B0%E6%9E%84%E6%88%90%E7%9A%84%E6%97%A0%E7%A9%B7%E6%95%B0%E5%88%97%7BAn%7D%E4%B8%AD%2C%E5%AF%B9%E4%BB%BB%E6%84%8F%E7%9A%84%E6%AD%A3%E6%95%B4%E6%95%B0n%2C%E9%83%BD%E6%9C%89An%E5%B0%8F%E4%BA%8E%E7%AD%89%E4%BA%8EA%28n%2B1%29%2C%E4%B8%94%E5%AF%B9%E4%BB%BB%E6%84%8F%E7%9A%84%E6%AD%A3%E6%95%B4%E6%95%B0K%2C%E8%AF%A5%E6%95%B0%E5%88%97%E4%B8%AD%E6%81%B0%E6%9C%892K-1%E4%B8%AAK%2C%E5%88%99A2008%3D________2.%E8%8B%A5lim%28r%2F1%2B2r%29%5E%282n%2B1%29%E5%AD%98%E5%9C%A8%2C%E5%88%99r%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF%3A_)
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