சுருக்குக

\(\frac{1}{1.2.3} + \frac{1}{2.3.4} + \frac{1}{3.4.5} + \frac{1}{4.5.6}\)

1
\(\frac{19}{30}\)
2
\(\frac{5}{30}\)
3
\(\frac{2}{60}\)
4
\(\frac{7}{30}\)

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