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Description Marsha and Bill own a collection of marbles. They want to split the collection among themselves so that both receive an equal share of the 阅读全文
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Description Sally Jones has a dozen Voyageur silver dollars. However, only eleven of the coins are true silver dollars; one coin is counterfeit even t 阅读全文
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Description The Joseph's problem is notoriously known. For those who are not familiar with the original problem: from among n people, numbered 1, 2, . 阅读全文