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Respondido

Calcule a) (+5)+(+3)
B) (-7)+(-10)
C) 0+(-8)
D) (+5)+(-20)
E) (-40)+(+13)
F) (-8)+(-17)

Resposta :

CEIFEIROMESTREON

a) (+5)+(+3) = 8

b) (-7)+(-10) = -17

c) 0+(-8) = -8

d)(+5)+(-20) = -15

e)(-40)+(+13) = -27

f)(-8)+(-17) = 25

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