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切，英文阅读题，可怜我每次英语都是60多

Posted by 00001 at 2006-08-14 10:58:28 on Problem 1591 
1 2 3 4 5 6 7 8 9 10           N=10,K=2,牌序：3,5,4,3,2,...
3:划掉3,6,9.   剩1,2,4,5,7,8,10
5:划掉7.       剩1,2,4,5,8,10
4:划掉5.       剩1,2,4,8,10
3:划掉4.       剩1,2,8,10
2:划掉2,10.    剩1,8
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