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[tex] \ \binom{7}{8} - \binom{1}{8} + \binom14[/tex]




Răspuns :

[tex] \frac{7}{8} - \frac{1}{8} + \frac{1}{4} = \\ \frac{6}{8} + \frac{2}{8} = \\ \frac{8}{8} = 1[/tex]

sper ca te-am ajutat