ILP Part 73 — Matchstick puzzle

This is the seventieth third part of the ILP series. For your convenience you can find other parts in the table of contents in Part 1 – Boolean algebra Today we’re going to solve a matchstick puzzle. Move one stick to make the equality hold: which is 6 + 2 = 9. Solution is rather … Continue reading ILP Part 73 — Matchstick puzzle