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这题给出的例子是不是有问题呀, 11(2) * 11(2) = 121(2)不是也可以吗? 还有题里写成 42(13) = 4 * 131 + 2 * 130 = 54(10)太不好了, 131 至少写成13^1吧

Posted by Skyscraper at 2006-07-11 21:11:12 on Problem 1331


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