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( - 3) + 2( - 3 - 1) + [(4 + 1)] =
- 3 + 2( - 4) + (5) = Para quitar parentesis aplicas ley de signos
+ por - = - y + por + = +
- 3 - 8 + 5 =
- 11 + 5 =
- 6
Respuesta.
- 6