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数学家欧拉曾提出如下问题:两农妇共带100个鸡蛋到市场上去卖,一个带得多,一个带得少,但卖了同样多的钱。一农妇对另一农妇说:“若是我有你
Mathematician Euler once asked the following questions: Two peasants brought 100 eggs to the market to sell, one with more and one with less, but sold the same amount of money. A peasant woman said to another peasant woman: ”If I had you