Revision history of "1985 AJHSME Problem 22"

Diff selection: Mark the radio boxes of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

  • (cur | prev) 21:30, 31 January 2021Coolmath34 (talk | contribs). . (788 bytes) (+788). . (Created page with "== Problem == Assume every 7-digit whole number is a possible telephone number except those that begin with <math>0</math> or <math>1</math>. What fraction of telephone numb...")
Invalid username
Login to AoPS