Question

2. Suprimir paréntesis y resolver.

a)-11 -(+7-5-12 - 4) + 8 =

b) 6 + 10 + (-9+ 6 -4 + 5) - 4 =

c) - (-10 +5 – 7) + 8 - (-9+ 1) =

d)- (-8+7) + (-11 + 13 -4) =

e) -3- (-21 + 6) + (-9+ 6-11) =​

Answer 1

Respuesta:

a)-11 -(+7-5-12 - 4) + 8

=-11 -7+5+12+4+8= -18+29

=11

b) 6 + 10 + (-9+ 6 -4 + 5) - 4

=6+10-9+6-4+5-4

=27-17

=10

c) - (-10 +5 – 7) + 8 - (-9+ 1) =

=10-5+7+8+9-1

=34-6

=28

d)- (-8+7) + (-11 + 13 -4) =

= 8-7-11+13-4

=21-22

= -1

e) -3- (-21 + 6) + (-9+ 6-11) =​

=-3+21-6-9+6-11

=27-29

= -2

ESPERO SEA DE AYUDA!