I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Wednesday, April 27, 2011
Make Just One Move
26 - 63 = 1
The above equation is wrong, but can you fix it with just one move?