The value of −7 ÷ [5 + 1 ÷ 2 − {4 + (4 of 2 ÷ 4) + (4 ÷ 4 of 2)}] is:

$-\frac {7}{2}$ -7 $\frac {7}{2}$ 7

7

7 ÷ [5 + 1 ÷ 2 - {4 + (4 of 2 ÷ 4) + (4 ÷ 4 of 2)}] = - 7 ÷ [5 + 1 ÷ 2 - {4 + (8 ÷ 4) + (4 ÷ 8)}] = - 7 ÷ [5 + 1 ÷ 2 - {4 + 2 + \(\frac{1}{2}\))}] = - 7 ÷ [5 + \(\frac{1}{2}\)- 6.5] = - 7 ÷ [5.5 - 6.5] = \(\frac{-7}{-1}\) = 7