Media Summary: Prove that from a set of ten distinct two-digit numbers (in the decimal system), it is possible to select two disjoint subsets whose ... 00:00 Intro 25 - 45/90 - 150 Take 15 00:30 Lessons from shooting the A line is "sunny" if it avoids three simple directions. How many sunny lines can you use to cover a triangular grid of points?
Imo 1972 Problem 1 - Detailed Analysis & Overview
Prove that from a set of ten distinct two-digit numbers (in the decimal system), it is possible to select two disjoint subsets whose ... 00:00 Intro 25 - 45/90 - 150 Take 15 00:30 Lessons from shooting the A line is "sunny" if it avoids three simple directions. How many sunny lines can you use to cover a triangular grid of points? Can you prove that within any set of 10 two-digit numbers, there will always be two disjoint subsets with the same sum? In ... Welcome! In this video, we will be going through Q1 from the
![An IMO Divisibility Problem [IMO 1964 Problem 1]](https://i.ytimg.com/vi/_3XIyr6Z3dY/mqdefault.jpg)
