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20) How many digits can be at most erased from the 1000digit number 20082008...2008, such that the sum of the remaining digits is 2008? A)

20) How many digits can be at most erased from the 1000digit number 20082008...2008, such that the sum of the remaining digits is 2008? A) 260 B) 510 C) 746 D) 1020

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