NPR Sunday Puzzle (Jan 29, 2012): An Equation for 2012
Updated: 2012-01-29 06:41:00
: Blaine's Puzzle Blog Weekly discussion on the NPR puzzler , brain teasers , math problems and . more Saturday , January 28, 2012 NPR Sunday Puzzle Jan 29, 2012 An Equation for 2012 NPR Sunday Puzzle Jan 29, 2012 An Equation for 2012 Q : Write the digits from 1 to 9 in a line . If you put a plus sign after the 2, a times sign after the 4, and plus signs after the 6 and 8, the line shows 12 34 x 56 78 9, which equals 2003. That's nine years off from our current year 2012. This example uses four arithmetic symbols . The object is to use just three of the following arithmetic operations : addition , subtraction , multiplication and division , in a line from 1 to 9 to get 2012 exactly . The operations should be performed in order from left to right . There are no tricks to this puzzle . Can