Question

ii) Reducir: (-5) + (-3) – (-7) – (+4) + (-9)

i) Efectuar:

E = -8 + {-2 + 5 – [-7 – (3 + 6 - 2)] - 9}

Answer 1

Respuesta:

1) (-5)+(-3)-(-7)-(+4)+(-9)= -14