> TWO+SEVEN+ELEVEN=TWENTY > > This is true. But can you find values for each of the letters, in the > range 1 to 9, so that each of the numbers is used once, and once > only to make the sum add up? > > I know of one solution; well, two solutions given that the values for > S and L are interchangable. ====
A nice crypt-arithmetic problem. If you loosen it up just a bit to allow zero then there is another pair of solutions.