Question

Elimine os parênteses e efetue as operações:
a) + ( – 3 + 8 )=
b) – ( – 3 + 8 )=
c) + ( 5 – 6 )=
d) – ( – 3 – 1 )=
e) – ( – 6 + 4 – 1 )=
f) – 6 – ( – 3 + 2 )=
g) 18 – ( – 5 – 2 – 3 )=
h) 20 – ( – 6 + 8 ) – ( – 1 + 3 )=
i) – 32 – 1 – ( – 12 + 14 )=
j) 7 + ( – 5 – 6 ) – ( – 9 +3)"=
Alguém me ajudaaa

Answer 1

Resposta:

a) + ( – 3 + 8 )= + 5

b) – ( – 3 + 8 )= - 5

c) + ( 5 – 6 )= - 1

d) – ( – 3 – 1 )= + 4

e) – ( – 6 + 4 – 1 )= +3

f) – 6 – ( – 3 + 2 )= - 5

g) 18 – ( – 5 – 2 – 3 )=+28

h) 20 – ( – 6 + 8 ) – ( – 1 + 3 )= +16

i) – 32 – 1 – ( – 12 + 14 )= -34

j) 7 + ( – 5 – 6 ) – ( – 9 +3)"= + 2

espero ter ajudado ate mas