![Is it Magic or is it Maths?](/sites/default/files/styles/medium/public/thumbnails/content-01-04-penta3-icon.gif?itok=7Xm65GKV)
problem
Is it Magic or is it Maths?
Here are three 'tricks' to amaze your friends. But the really
clever trick is explaining to them why these 'tricks' are maths not
magic. Like all good magicians, you should practice by trying them.
Can you explain how they work?