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 Operaciones combinadas con números enteros Es importante seguir el orden de las operaciones: 1. Resolver paréntesis y/o corchetes. 2. Resolver mutiplicaciones y divisiones (en el orden en que aparezcan) 3. Resolver sumas y restas Calcula 4 · [ -9 · (8 - 6 - 4) - 8 ] +2 ·[ - (-9 + 3 + 9) - 3 ] Solución: 4 · [ -9 · (8-6-4) -8 ] +2 · [ - (-9+3+9) -3 ] = 4 · [-9·(-2) - 8] + 2 · [-(+3) - 3] = 4·[18-8]+2·[-6] = 4·10+2·(-6) = 40 - 12 = 28 Calcula: -4[7(-5+9-1)-7]-[4(-6-1-9)+1] =