$$\large{\displaylines{\{0,1,2\}\qquad\{\bar1,0,1\} \\ \\ \Large f(k)={\color{#ff7800}3}^k \\ \\ -11_{N\color{#ff7800}3}=-(1\cdot {\color{#ff7800}3}^1+1\cdot {\color{#ff7800}3}^0) \\ \bar1\bar1_{S\color{#ff7800}3}=-1\cdot {\color{#ff7800}3}^1-1\cdot {\color{#ff7800}3}^0}}$$
Троичная система счисления
Позиционная показательная