olymmath

RU-SPB 2018 Problem 92

  • Grade 9

n>1n>1 is odd number. There are numbers n,n+1,n+2,...,2n−1n,n+1,n+2,...,2n-1 on the blackboard. Prove that we can erase one number, such that the sum of all numbers will be not divided any number on the blackboard.

Dataset text AI-MO AoPS. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.

Add a solution

Similar problems

These problems have the most words in common with this statement.

Locator ru-spb/2018/p92 · Tag 811HXD3D9F · Edit this page on GitHub · Keys: j next, k previous