Question

Resolver, suprimiendo parentesis y corchetes
a)- 3 – ( – 2 + 4 – 1 ) + 5 + ( – 4 + 2 – 3 + 5 ) – 7 =
b)- - 2 – [ 3 – ( 5 – 4 ) + 6 ] +8 – ( – 7 + 6 – 1 + 9) =

Ayudenme pls con operacion y todo

Answer 1

Respuesta:

A) - 3 – ( – 2 + 4 – 1 ) + 5 + ( – 4 + 2 – 3 + 5 ) – 7 =-4

B) - - 2 – [ 3 – ( 5 – 4 ) + 6 ] +8 – ( – 7 + 6 – 1 + 9) = - 5