prove by argument Exchange !

Revision en1, by Hazemzz, 2016-12-22 23:25:21

Please i need some help in this problem here why the solution is to sort by S/T ?

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English Hazemzz 2016-12-22 23:27:02 127
en1 English Hazemzz 2016-12-22 23:25:21 266 Initial revision (published)