鴨逃不掉, 隻要貓的速度比鴨的大pi倍以上
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no - ANSWER to this question is yes, (4.60338811)
-guest007-
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05/16/2010 postreply
19:44:57
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回複:no - ANSWER to this question is yes, (4.60338811)
-jinjing-
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05/17/2010 postreply
19:52:54