Difference between revisions of "1970 Canadian MO Problems/Problem 7"

(Created page with "== Problem == Show that from any five integers, not necessarily distinct, one can always choose three of these integers whose sum is divisible by <math>3</math>. == Solution ==")
 
Line 4: Line 4:
  
 
== Solution ==
 
== Solution ==
 +
{{Solution}}

Revision as of 20:36, 27 November 2023

Problem

Show that from any five integers, not necessarily distinct, one can always choose three of these integers whose sum is divisible by $3$.

Solution

This problem needs a solution. If you have a solution for it, please help us out by adding it.