Question

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Calcule el resultado de los siguientes ejercicios.

(-7) + (-2) =

305-25 =



(-35) + 20 =



(9) + (-5) = (-5) + (9) = 4




9+(-9)=


-8-8=

con proceso porfa

Answer 1

Respuesta:

(-7) + (-2) = - 9

305 - 25 = 280

(-35 ) + 20 = - 15

(9) +(-5) = (-5 ) + (9) = 4

9+ (-9)=0

-8-8 = - 16