Question

$222-[\frac{1}{3}\{42+(56-8+9\left)\right\}+108]$

Answer 1

$222-[\frac{1}{3}\{42+(56-8+9\left)\right\}+108]=222-[\frac{1}{3}\{42+57\}+108]=222-[(\frac{1}{\text{/}3}\times \text{/}{99}^{33})+108]=222-[33+108]=222-141=81$