Question

a) – 7 + 9 =

b) + 8 – 5 =

c) + 9 + 7 =

d) – 5 + 5 =

e) 10 – 15 =

f) (+6) – (+7) =

g) ) – 10 + (– 9) =

h) – 8 + (–10) =

i) 125 + (–100) =

j) + 6 – (–8) =

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Answer 1

Explicação passo-a-passo:

a) – 7 + 9 = -16

b) + 8 – 5 = -3

c) + 9 + 7 = 16

d) – 5 + 5 = 0

e) 10 – 15 = -5

f) (+6) – (+7) = -1

g) ) – 10 + (– 9) = -19

h) – 8 + (–10) =-18

i) 125 + (–100) = 25

j) + 6 – (–8) = -2

fiz como eu sabia,espero ter te ajudado