\(\frac{1}{2}+\frac{1}{6}+\frac{1}{12}+\frac{1}{20}+\frac{1}{30}+\frac{1}{42}+\frac{1}{56}+\frac{1}{72}+\frac{1}{90}+\frac{1}{110}=?\)

1
\(\frac{11}{10}\)
2
\(\frac{10}{11}\)
3
\(\frac{9}{10}\)
4
\(1\frac{1}{11}\)

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