Respuesta:
(-7)+(+3)= -4
(+4)+(-16)= -12
(-8)+(-7)= -15
(0)+(-3)= -3
(+13)+(8)= 21
(+4)+(0)= 4
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Verified answer
Respuesta:
(-7)+(+3)= -4
(+4)+(-16)= -12
(-8)+(-7)= -15
(0)+(-3)= -3
(+13)+(8)= 21
(+4)+(0)= 4