Respuesta:
a)1+5(-2)+(-3)= -12
b)2+(-2+1(-6= -6
c)5+8+(-2)+(-1)= 10
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Respuesta:
a)1+5(-2)+(-3)= -12
b)2+(-2+1(-6= -6
c)5+8+(-2)+(-1)= 10