tiret philosophie les bois einstein number puzzle Répondre Recueillir Installations
Famous Einstein 'puzzle' solved after missing page found
Einstein's Riddle: WHO OWNS THE FISH? (Problem Solving) by teachmehowtoALGE
Einstein's Riddles and Grid Puzzles
Math Fail - This is the kid friendly version of Einstein's puzzle. It is claimed that only 2% of the world population can solve the puzzle! (and Einstein supposedly invented the original