Respuesta :

afiaboatemaa705

Step-by-step explanation:

[tex] \frac{1}{2} m - 2n[/tex]

[tex] \frac{1}{2} \binom{6}{12} - 2 \binom{1}{2} [/tex]

[tex] \binom{3}{6} - \binom{2}{ 4} [/tex]

[tex] \binom{1}{2} [/tex]

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