Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2013 Question 44

Math Olympiad Vault · MathNet 2013

Question 44

In a group of 21 different integers, a sum of arbitrary eleven ones is greater than a sum of the remaining ten numbers.

a) Prove that every considered number is greater than 100.

b) Find all such groups of 21 different integers containing number 101.