Respuesta:
[tex]\left[-4+3\left(-2\right)+5\right]+\left[7-\left(-12\right)\div \left(+4\right)-9\right]\div \left(-1\right)\\\\=-5+\left[7-\left(-12\right)\div \left(+4\right)-9\right]\div \left(-1\right)\\\\=-5+1\div \left(-1\right)\\\\=-5-1\\\\=-6[/tex]
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Respuesta:
[tex]\left[-4+3\left(-2\right)+5\right]+\left[7-\left(-12\right)\div \left(+4\right)-9\right]\div \left(-1\right)\\\\=-5+\left[7-\left(-12\right)\div \left(+4\right)-9\right]\div \left(-1\right)\\\\=-5+1\div \left(-1\right)\\\\=-5-1\\\\=-6[/tex]