This section is from the book "The Boy Mechanic Vol. 2 1000 Things for Boys to Do", by Popular Mechanics Co.. Also available from Amazon: The Boy Mechanic, Vol2: 1000 Things for Boys to Do.
This puzzle is to arrange all the figures or digits, from 1 to 9 inclusively, in two rows, each containing all the digits, so that the sum in addition as well as the remainder in subtraction will have nine figures, in which all the digits are represented. There are several solutions to the puzzle, and the following is one of them: 371294568 216397845
The sum of the foregoing numbers and the remainder, when the lower row is subtracted from the upper, will both have nine figures and include all the digits from 1 to 9.-Contributed by Walter Bennett, Detroit, Mich.