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5 + (- 3) + 4 - (4 + 6 + 3 + 2 - 5) + 3 =
5 + (- 3) + 4 - (15 - 5) + 3 =
5 + (- 3) + 4 -(10) + 3 = Para quitar parentesis utilizas ley de signos
+ por - = - y - por + = -
5 - 3 + 4 - 10 + 3 =
12 - 13 =
-1
Respuesta.
- 1