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Nine nine-digits results (Posted on 2010-12-16) Difficulty: 3 of 5
12*345=6789.....not true
9*1234=8765.....not true

Can you list 9 basic permutations of the 9 distinct non-zero digits ,and "*" & "=" signs that create true statements?

See The Solution Submitted by Ady TZIDON    
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Solution computer solution Comment 1 of 1
   10   S$="123456789":H$=S$
   15   repeat
   20    gosub *Permute(&S$)
   25         A=val(left(S$,1)):B=val(mid(S$,2,4)):C=val(right(S$,4))
   26         if A*B=C then print A,B,C
   35         A=val(left(S$,2)):B=val(mid(S$,3,3))
   36         if A*B=C then print A,B,C
   90   until S$=H$
  140   end
finds
multiplicands   product
 12      483     5796
 18      297     5346
 27      198     5346
 28      157     4396
 39      186     7254
 4       1738    6952
 4       1963    7852
 42      138     5796
 48      159     7632

  Posted by Charlie on 2010-12-16 17:32:56
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