Respuesta:
31)=9 32)=2
Explicación paso a paso:
7+{-2+[5+4(-3)+(-6+2)+(-3)]}
7+{-2+[5-12-4-3]}
7+{-2-14}
7-16
9
(-2)+{3+[-4+(3)]+7}+(-5)
-2+{3+[-4+3]+7}-5
-2+{3-1+7}-5
-2+9-5
2
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Respuesta:
31)=9 32)=2
Explicación paso a paso:
7+{-2+[5+4(-3)+(-6+2)+(-3)]}
7+{-2+[5-12-4-3]}
7+{-2-14}
7-16
9
(-2)+{3+[-4+(3)]+7}+(-5)
-2+{3+[-4+3]+7}-5
-2+{3-1+7}-5
-2+9-5
2