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在国内外数学竞赛试题中,常活跃着一类分组数列问题.它的解法独特、构思巧妙.本文将以近年来国内的一些竟赛题为例,浅谈其解法及应用.
In the questions of mathematics competitions at home and abroad, there is often a class of grouped sequence problems. Its solution is unique and the concept is ingenious. This article will take some of the domestic competition topics as an example to discuss its solution and application.