标签:array $$ inf rac begin 实践 end nbsp bsp
$$
\begin{eqnarray*}
\{x\}&=&\bigcap_{i=0}^{∞} [x,x+\frac{1}{n})\\(x,y)&=&[x,y)-\{x\}\\[x,y]&=&[x,y)+\{y\}\\(x,y]&=&[x,y)+\{y\}-\{x\}\end{eqnarray*}$$
$$
\begin{eqnarray*}
\{x\}&=&\bigcap_{i=0}^{∞} [x,x+\frac{1}{n})\\(x,y)&=&[x,y)-\{x\}\\ [x,y]&=&[x,y)+\{y\}\\(x,y]&=&[x,y)+\{y\}-\{x\}
\end{eqnarray*}
$$
标签:array $$ inf rac begin 实践 end nbsp bsp
原文地址:https://www.cnblogs.com/liuzhuan-xingyun/p/11240621.html