Proof WritingMediumProblem-Solving Strategies
Problem-Solving Strategies · Medium problem
Ten cups stand on a table, of them upside down. A move turns over exactly cups. What is the fewest number of moves to get all ten cups the right way up?
Ten cups stand on a table, of them upside down. A move turns over exactly cups. What is the fewest number of moves to get all ten cups the right way up?