Question

$\ \binom{7}{8} - \binom{1}{8} + \binom14$


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Answer 1

$\frac{7}{8} - \frac{1}{8} + \frac{1}{4} = \\ \frac{6}{8} + \frac{2}{8} = \\ \frac{8}{8} = 1$

sper ca te-am ajutat