Respuesta:
a) -10
Explicación paso a paso:
(-1-7-2) + (2-4+5-6) - (-1-2)
(-10)+(-10+7)-(-3)
(-10)+(-3)-(-3)
-10-3+3
-13+3
-10
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Respuesta:
a) -10
Explicación paso a paso:
(-1-7-2) + (2-4+5-6) - (-1-2)
(-10)+(-10+7)-(-3)
(-10)+(-3)-(-3)
-10-3+3
-13+3
-10