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11−12+13−14+…+12015−1201611009+11010+11011+…+12015+12016= ?\large{\dfrac{ \displaystyle \frac{1}{1}-\frac{1}{2}+\frac{1}{3} - \frac{1}{4} + \ldots + \frac{1}{2015}-\frac{1}{2016} }{\displaystyle \frac{1}{1009}+\frac{1}{1010} + \frac{1}{1011} + \ldots + \frac{1}{2015}+\frac{1}{2016} } = \ ? }10091+10101+10111+…+20151+2016111−21+31−41+…+20151−20161= ?
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