Math Olympiad for Elementary | 2010 | Division E | Contest 1 | MOEMS | 1E
Problem: 1E As shown, the 5 × 5 "checkerboard" contains one shaded square. In this diagram, how many squares of any size do not include the shaded square? Key: Count in an organized way. Please consider subscribing, here's our website: https://inquisitivekids.github.io
