Random Problem
Easy Problem
The sum![\[\frac{1}{2!}+\frac{2}{3!}+\frac{3}{4!}+\cdots+\frac{2021}{2022!}\]](http://latex.artofproblemsolving.com/7/2/6/726b88e230d5c0a0303ef6ca7177fa73b7eec900.png)
can be expressed as 
, where 
and 
are positive integers. What is 
?
Solution
???
Medium Problem
Show that there exist no finite decimals 
such that when its digits are rearranged to a different decimal $b = 0.\overline{a_x_1a_x_2a_x_3\ldots a_x_n}$ (Error compiling LaTeX. Unknown error_msg), 
.
Solution
???
