The inverse of $\left[\begin{array}{c}357\\ 2\text{ -}31\\ 112\end{array}\right]$  is

$\left[\begin{array}{c}73-26\\ 31-11\\ -5-219\end{array}\right]$

$\left[\begin{array}{c}35-7\\ 2376\\ 220\end{array}\right]$

$\left[\begin{array}{c}100\\ 010\\ 001\end{array}\right]$

$\left[\begin{array}{c}321\\ 5-310\\ 7210\end{array}\right]$