For $x \in \mathbb{R}, x \ne 0$, let $f_{0}(x) = \dfrac{1}{1 - x}$ and $f_{n+1}(x) = f_{0}(f_{n}(x)),; n = 0,1,2,\ldots$ Then the value of $f_{100}(3) + f_{1}\left(\dfrac{2}{3}\right) + f_{2}\left(\dfrac{3}{2}\right)$ is equal to: