Respuesta:
A.19+(-12)=+31 B.-82+9=-91 C.6+(-27)=-33 D.18+(-2)=20
A = 7
B= -73
C = -21
D= 16
Explicación paso a paso:
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Respuesta:
A.19+(-12)=+31 B.-82+9=-91 C.6+(-27)=-33 D.18+(-2)=20
Respuesta:
A = 7
B= -73
C = -21
D= 16
Explicación paso a paso: