Efectúa las siguiente operación combinada N= 3-[4 x[-5x (-9+7x5)-3-4 x7] -5+3x8]
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Respuesta:
628
Explicación paso a paso:
N = 3-[4 x[-5x (-9+7x5)-3-4 x7] -5+3x8]
N = 3-[4 x[-5x (-9+35)-3-28] -5+24]
N = 3-[4 x[-5x26-31] +19]
N = 3-[4 x[-130-31] +19]
N = 3-[4 x-161 +19]
N = 3-[-644+19]
N = 3- (-625)
N = 628