职教组卷基于海量职教高考试题库建立的在线组卷及学习系统
职教组卷
  • 题型:填空题 题类:期末考试 难易度:较易

    已知数列\(\{a_{n}\}\)满足:\(a_{1}=1\),\(a_{2}= \dfrac {1}{2}\),\( \dfrac {2}{a_{n+1}}= \dfrac {1}{a_{n}}+ \dfrac {1}{a_{n+2}}(n∈N^{*})\),则\(a_{2015}=\) ______ .
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