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1·In this paper we get a seeking unified method of the least common multiple the greatest common factor and coefficients polynomial by implementing elementary row transformation in a polynomial matrix.

利用矩阵的初等变换，给出了两个多项式的最小公倍式、最大公因式及其系数多项式的统一求法。

2·Introduces the concept of least common right multiple matrix of integer matrices, and offers a method and some properties.

本文引进整数矩阵的右最小公倍阵的概念，并找出求法及有关性质。