已知等比数列{an}满足an>0,n=1,2,...,且a5.a2n-5=2∧2n(n>=3),则当n>=1时,og2a1+log2a3+.+log2a2n-1等于几?)
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![已知等比数列{an}满足an>0,n=1,2,...,且a5.a2n-5=2∧2n(n>=3),则当n>=1时,og2a1+log2a3+.+log2a2n-1等于几?)](/uploads/image/z/2131848-0-8.jpg?t=%E5%B7%B2%E7%9F%A5%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%EF%BD%9Ban%EF%BD%9D%E6%BB%A1%E8%B6%B3an%3E0%2Cn%3D1%2C2%2C...%2C%E4%B8%94a5.a2n-5%3D2%E2%88%A72n%EF%BC%88n%3E%3D3%EF%BC%89%2C%E5%88%99%E5%BD%93n%3E%3D1%E6%97%B6%2Cog2a1%2Blog2a3%2B.%2Blog2a2n-1%E7%AD%89%E4%BA%8E%E5%87%A0%3F%EF%BC%89)
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