Math puzzle #1: Without changing the connections between the points, rearrange the points in graph A to give graph B

Math puzzle #2: Move any one digit in the above equation to make the resulting equation true (example move the three 62 - 6 = 13, but this equation is false can you do better?)

Math puzzle #3: Play Free Cell game number 1941 on any Windows computer that came with the game. Many experts claim this is the hardest game found in the first 32,000 games.