Question

so sanh \(a=\frac{2013}{2014}+\frac{2014}{2015}\) va \(b=\frac{2013+2014}{2014+2015}\)

\(\frac{3}{x+1}

Answer 1

a = \(\frac{2013}{2014}+\frac{2014}{2015}=\frac{2014-1}{2014}+\frac{2015-1}{2015}\)

  \(=1-\frac{1}{2014}+1-\frac{1}{2015}\)

   \(=2-\left(\frac{1}{2014}+\frac{1}{2015}\right)>1\) (1)

b =  \(\frac{2013+2014}{2014+2015}

Answer 2

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