document.write( "Question 498997: Given the numbers 1 - 9; arrange them so that the sum of two 3-digit numbers equals a 3 digit number \n" ); document.write( "
Algebra.Com's Answer #337386 by chessace(471)![]() ![]() You can put this solution on YOUR website! Cool problem! \n" ); document.write( "Can't be done! \n" ); document.write( "Sum 1 to 9 is 45. \n" ); document.write( "The sum of all the digits of the 1st two 3 digit numbers + possible carry= \n" ); document.write( "sum of 3 \"answer\" digits. \n" ); document.write( "If there is no carry, these 2 \"equal\" sums add to an even number, not 45. \n" ); document.write( "So there must be a carry. \n" ); document.write( "And the \"answer\" digits must sum to 23. \n" ); document.write( "Only way is 9 8 6 and to get a carry, 9 would have to be on top too. \n" ); document.write( " \n" ); document.write( " |