Question

Calcula quitando los paréntesis.
a) + 7 – 12 + (-5 + 6) – 7 = f) -(+4 – 6) +(+12 + 1) – 5 –(+4 –19) – 13 =
b) -5 - (+12 – 5 ) + 4 =
g) -43 –(-7) + (-6 + 9) –(+14 + 7) –(-6 + 2) =
c) -(+3 – 2 + 4 – 6 ) + (-1 + 7) – 12 =
h) -(14 + 6 - 7) – 25 + 42 +(-7 –5) =
d) +12 – (+16 – 11 + 3 ) – ( - 3 + 5) =
e) -8 + ( + 5 – 9 ) – 6 – (-8 + 3 + 5) =

Answer 1

Respuesta:

a) +7- 12 + (-11) - 7 =

-5 - 11 - 7 =

-6 - 7 =

-13

b) -5 - (+12 – 5 ) + 4 =

-5 - 7 + 4 =

2

c) -(+3 – 2 + 4 – 6 ) + (-1 + 7) – 12 =

-1 + (-6) - 12

-7 - 12

-5

d) +12 – 8 – 8 =

-4

e) -8 + ( -4 ) – 6 – ( 16 ) =

-10

f) -2 + 13 – 5 – 15

-5

g) -43 – 7 + 15 – 21 – 8 =

22

h) -13 – 25 + 42 + 2 =

32