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- Anonymous9 years agoFavorite Answer
ZERO would be a good choice !
third differences made constant...(- 6)
35 , 64 , 81 , 80 , 55 , 0
...29....17..- 1.- 25..- 55
......- 12.- 18.- 24.- 30
............- 6..- 6...- 6
@ß
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