Showing posts with label 0143. Proof that 4 plus 2 is NIL [Easy]. Show all posts
Showing posts with label 0143. Proof that 4 plus 2 is NIL [Easy]. Show all posts

24 January 2014

143. Proof that 4 + 2 = NIL

Easy Medium Hard Extreme


Another cheeky one!

Shown here are 4 matchsticks. Add 2 to proof that 4 matchsticks + 2 matchsticks = 0.