求解一道数列题 已知在数列{an}中,a₁=2,an+₁=an-In(n/n=1),an=?已知在数列{an}中,a₁=2,an+₁=an-In(n/n=1),an=?其中n,n-1是下标
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![求解一道数列题 已知在数列{an}中,a₁=2,an+₁=an-In(n/n=1),an=?已知在数列{an}中,a₁=2,an+₁=an-In(n/n=1),an=?其中n,n-1是下标](/uploads/image/z/13291430-14-0.jpg?t=%E6%B1%82%E8%A7%A3%E4%B8%80%E9%81%93%E6%95%B0%E5%88%97%E9%A2%98+%E5%B7%B2%E7%9F%A5%E5%9C%A8%E6%95%B0%E5%88%97%7Ban%7D%E4%B8%AD%2Ca%26%238321%3B%3D2%2Can%2B%26%238321%3B%3Dan-In%28n%2Fn%3D1%29%2Can%3D%3F%E5%B7%B2%E7%9F%A5%E5%9C%A8%E6%95%B0%E5%88%97%7Ban%7D%E4%B8%AD%2Ca%26%238321%3B%3D2%2Can%2B%26%238321%3B%3Dan-In%28n%2Fn%3D1%29%2Can%3D%3F%E5%85%B6%E4%B8%ADn%2Cn-1%E6%98%AF%E4%B8%8B%E6%A0%87)
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