what is the maximum difference between the numbers formed by 7 various numerals and 6 various numerals

Dear student
Your question is not clear and appears to be incomplete. Recheck your question and please be a little specific so that we can provide you with some meaningful help. Looking forward to hear from you again!
Regards

  • -1
???
  • -3
what?
 
  • 1
EHH
  • -6
What are you looking for?