## Shaded Grid

#### Problem

By only shading whole squares and given that is considered different to , how many different ways can a 2x2 grid be shaded?

Problem ID: 86 (Nov 2002) Difficulty: 1 Star

By only shading whole squares and given that is considered different to , how many different ways can a 2x2 grid be shaded?

Problem ID: 86 (Nov 2002) Difficulty: 1 Star