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《数学通报》1979年第5期和1980年第4期上先后发表了张德志同志和余炯沛同志撰写的关于求的方法的两篇文章。稍后,1980年第6期《美国数学月刊》上也发表了一篇关于求这种和的短文,其中确定所求和——n的多项式的系数的方程组与前不同,它的构成形式富于启发性,且便于求解。该文特别指出了它与(我国读者熟知的)杨辉三角(文中称为Pascal三角形)的联系,非常容易记忆和掌握。现在翻译出来,供大家参考。
The “Mathematical Bulletin,” No. 5 of 1979 and No. 4 of 1980, published two articles on the method of seeking written by Comrade Zhang Dezhi and Comrade Yu Yupei. Later, in the sixth issue of the American Mathematical Monthly, 1980, a essay on seeking this sum was also published, in which the equations that determine the sum of the coefficients of the polynomials of n, n, are different from the former and its form of composition. Enlightening and easy to solve. This article particularly pointed out that it is in contact with (the Chinese readers are familiar with) the Yang Hui Triangle (Pascal triangle in the article), and it is very easy to remember and master. Now translate it for your reference.