Question

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b) 48 - 7:(-7) + {[1 - (-56):(-14)] - (-35)} ajuda

Answer 1

Resposta:

$8-7\div \left(-7\right)+\left[1-\left(-56\right)\div \left(-14\right)\right]-\left(-35\right)\\\\1-\left(-56\right)\div \left(-14\right)\\\\\left(-56\right)\div \left(-14\right)\\\\=4\\\\=1-4\\\\1-4=-3\\\\=-3\\\\=48-7\div \left(-7\right)-3-\left(-35\right)\\\\7\div \left(-7\right)=-7\div \:7=-1\\\\=-1\\\\=48-\left(-1\right)-3-\left(-35\right)\\\\=48+1-3-\left(-35\right)\\\\=49-3-\left(-35\right)\\\\=46-\left(-35\right)\\\\=46+35\\\\=81$