$$-256\div\overline{16\div2}\div\overline{18\div9}\times2$$
$-32$
$$\frac{\frac{-256}{conjugate(8)}}{conjugate(\frac{18}{9})}\times 2$$
$$\frac{\frac{-256}{8}}{conjugate(\frac{18}{9})}\times 2$$
$$\frac{-32}{conjugate(\frac{18}{9})}\times 2$$
$$\frac{-32}{conjugate(2)}\times 2$$
$$\frac{-32}{2}\times 2$$
$$-16\times 2$$
$$-32$$
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$$Re(\frac{\frac{-256}{conjugate(8)}}{conjugate(\frac{18}{9})}\times 2)$$
$$Re(\frac{\frac{-256}{8}}{conjugate(\frac{18}{9})}\times 2)$$
$$Re(\frac{-32}{conjugate(\frac{18}{9})}\times 2)$$
$$Re(\frac{-32}{conjugate(2)}\times 2)$$
$$Re(\frac{-32}{2}\times 2)$$
$$Re(-16\times 2)$$
$$Re(-32)$$
