Question

a) -7- (-12) - (+3)
b) +34 - (+11) - (+13)
c) -9 -(-6) - (+12)
d) -5 - (+11)-(-20)
e) +9 - [(-5) - (+7)]
f) - 7 - [(-3) - (-9)]
g) -11 - [(+6) - (+4)]
h) +8 - [(+5) - (-9)]​

Answer 1

Respuesta:

a) -7- (-12) - (+3)

-7-(-12)-3

-7+12-3

-7+9

2

b) +34 - (+11) - (+13)

34-(11)-13

34-11-13

34-24

10

c) -9 -(-6) - (+12)

-9-(-6)-12

-9+6-12

-9-6

-15

d) -5 - (+11)-(-20)

-5-(11)+20

-5-11+20

-5+9

4

e) +9 - [(-5) - (+7)]

9-[(-5)-7]

9-[-12]

9+12

21

f) - 7 - [(-3) - (-9)]

-7-[(-3)+9]

-7-[6]

-7-6

-13

g) -11 - [(+6) - (+4)]

-11-[(6)-4]

-11-[2]

-11-2

-13

h) +8 - [(+5) - (-9)]

8-[(5)+9]

8-[14]

8-14

-6