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二维反问题/鸣谢
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来自维基教科书，开放世界上的开放书籍
(重定向自
二维反问题/鸣谢
)
Wikipedia, StackExchange and SageMathCloud helped publishing the book @all stages of the process.
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书:用户:二维反问题/鸣谢
华夏公益教科书
