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[大学] 沈从云主编的“数学建模理论与方法”这本书的课后习题答案怎么找？

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我们老师说这学期就开卷考这本书，但是只考课后习题的部分，以我们的能力课后习题最多就只能套公式做一半，根本做不完，所以我想找到这本书的课后习题答案

但是我通过搜索引擎怎么找都找不到，翻了好多页也换了很多搜索引擎，但最多就只能找到官方提供的这本书的购买渠道或者是本书的 PDF 版，无法找到课后习题答案

我实在是没办法了，所以来问问各位，希望有懂的来为我指点一二，告诉我哪里能找到或者是直接提供资源都可，小弟我先在这里谢谢各位了

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