求值问题和判断大小(急·~)已知f(x)=log2^(x+m)【log以2为底的x+m对数】m∈R(1)若f(1),f(3),f(6)成等差数列,求m的值(2)设a,b,c为互不相等的正数,且a,b,c成等比数列,m>0判断f(a)+f(c)与2f(b)的大小
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![求值问题和判断大小(急·~)已知f(x)=log2^(x+m)【log以2为底的x+m对数】m∈R(1)若f(1),f(3),f(6)成等差数列,求m的值(2)设a,b,c为互不相等的正数,且a,b,c成等比数列,m>0判断f(a)+f(c)与2f(b)的大小](/uploads/image/z/7642323-27-3.jpg?t=%E6%B1%82%E5%80%BC%E9%97%AE%E9%A2%98%E5%92%8C%E5%88%A4%E6%96%AD%E5%A4%A7%E5%B0%8F%EF%BC%88%E6%80%A5%C2%B7%EF%BD%9E%EF%BC%89%E5%B7%B2%E7%9F%A5f%28x%29%3Dlog2%5E%28x%2Bm%29%E3%80%90log%E4%BB%A52%E4%B8%BA%E5%BA%95%E7%9A%84x%2Bm%E5%AF%B9%E6%95%B0%E3%80%91m%E2%88%88R%EF%BC%881%EF%BC%89%E8%8B%A5f%281%29%2Cf%283%29%2Cf%286%29%E6%88%90%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97%2C%E6%B1%82m%E7%9A%84%E5%80%BC%EF%BC%882%EF%BC%89%E8%AE%BEa%2Cb%2Cc%E4%B8%BA%E4%BA%92%E4%B8%8D%E7%9B%B8%E7%AD%89%E7%9A%84%E6%AD%A3%E6%95%B0%2C%E4%B8%94a%2Cb%2Cc%E6%88%90%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%2Cm%3E0%E5%88%A4%E6%96%ADf%28a%29%2Bf%28c%29%E4%B8%8E2f%28b%29%E7%9A%84%E5%A4%A7%E5%B0%8F)
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