Question

c) [–4+3(–2)+5]+[7–(–12)÷(+4)–9] :(–1)


por favor doy corona

Answer 1

Respuesta:

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