How to delete duplicated records ?

Hello, Gurus !

[Quoted] [Quoted] [Quoted] There are duplicated records have been appeared in the table... reason is not clear, but its not a topic..
I have to delete duplicated records...

Example:

Table A:

Id Value1 Value2

[Quoted]  1    111       222
 2    111       222 
 3    111       222
 4    333       444
 5    333       444

[Quoted] The task - is to delete rows with id's 2, 3, 5...

Any suggestions?

Thanks in advance..