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Two-three integers (Posted on 2017-10-15) Difficulty: 3 of 5
Call an integer a two-three integer if it is greater than 1 and has the form 2a * 3b, where a ≥ 0 and b ≥ 0.
Express 19992000 as a sum of two-three integers so that none of the addends divides another.

Source: Eighth Korean Mathematical Olympiad (Crux Math. Dec 1999)

No Solution Yet Submitted by Ady TZIDON    
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re(2): computer-aided solution -- another number continued | Comment 3 of 6 |
(In reply to re: computer-aided solution -- another number by Charlie)

These wouldn't fit in the preceding post:


0 12    5 10    6 9    8 8    9 7    10 6    12 5    14 4    15 3    17 2    23 0    
0 12    5 10    6 9    8 8    9 7    10 5    11 4    19 2    23 0    
0 12    5 10    6 9    8 8    9 6    11 5    13 4    19 2    23 0    
0 12    5 10    6 9    8 7    15 5    16 4    17 2    18 1    19 0    
0 12    5 10    6 9    8 7    15 5    16 4    17 1    21 0    
0 12    5 10    6 9    8 7    15 5    16 3    18 2    19 1    21 0    
0 12    5 10    6 9    8 7    15 4    19 2    23 0    
0 12    5 9    7 8    10 7    15 5    16 4    17 2    18 1    19 0    
0 12    5 9    7 8    10 7    15 5    16 4    17 1    21 0    
0 12    5 9    7 8    10 7    15 5    16 3    18 2    19 1    21 0    
0 12    5 9    7 8    10 7    15 4    19 2    23 0    


  Posted by Charlie on 2017-10-15 17:01:30
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