Answers

2014-09-12T17:35:52+08:00
999 999 999 999 999 999 998
maybe
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2014-09-12T18:33:21+08:00
999, 999 ,999 ,999 ,999 ,999, 999, 999 ,999 ,999 ,999 ,998 i choose this numbers   because my classmates said that this is the largest even number
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