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October 7th, 2012, 11:32 PM   #1
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the largest and smallest number remained

A=12345678910111213----------------------------------787980

if we delete 80 digits randomly from A ,and keep the order of other digits unchanged

(1)what will be the largest number remained ? (Ans :99997484950--------------------787980)

(2)what will be the smallest number remained ? (Ans :10000123440515253------------------787980))
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