Respuesta:
a. 6-27= -21
b. -87+9= - 78
c. 18-5= 13
d. 4-8-10+10-2= - 6
e. 8-23+15+225-165= 60
f. -37-56-32-54= -179
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Respuesta:
a. 6-27= -21
b. -87+9= - 78
c. 18-5= 13
d. 4-8-10+10-2= - 6
e. 8-23+15+225-165= 60
f. -37-56-32-54= -179