Haha, reverse(31)=13, is not 130,
所有跟帖:
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130 --> 031 = 31
-魁北克人-
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12/05/2014 postreply
14:43:10
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in the question, it says 'each contain the same digits but in re
-萬斤油-
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12/05/2014 postreply
15:41:32