Respuesta:
a) (+4) + (+5) + (+7) = +16
b) (-10) - (+15) - (-30) + (-5) = 0
c) (-12) + (+7) - (-5) =0
d) (+8) + (-6) + (-7) + (-2) = -3
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Verified answer
Respuesta:
a) (+4) + (+5) + (+7) = +16
b) (-10) - (+15) - (-30) + (-5) = 0
c) (-12) + (+7) - (-5) =0
d) (+8) + (-6) + (-7) + (-2) = -3