Respuesta :

Answer:

-3.

Step-by-step explanation:

-5 1/2 + 6 3/4 + (-4 1/4) =

= -11/2 + 27/4 - 17/4

=  -22/4 + 27/4 - 17/4

= 5/4 - 17/4

= -12/4

= -3.

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