等差数阵的几个性质４１４０００湖南岳阳师专肖振纲文［１］中提出了数阵的概念，并对等差数降作了初步的研究，得到了一些富有启发性的结果．本文在其基础上进一步给出等差数阵的几个性质．首先结出有关的几条引理．引理１［２］设ａｋ、ａｍ、ａｎ是一个等差数列中的三... Several properties of equal-difference arrays 414000 The concept of arrays was proposed in Xiaozhengwenwen[1] of Hunan Yueyang Teachers College, and a preliminary study of equal-difference drop was made and some inspiring results were obtained. In this paper, several properties of equal-arrival arrays are further given on the basis of this. First of all, there are several lemmas related to it. Lemma 1[2] sets ak, am, an to be three in an arithmetic progression...