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文【I】介绍的“和等差数列”与2007年高考湖南理卷理科21(I)(II)不谋而和.本文从“和等差数列”角度寻求2007年湖南理21(I)、(II)的别解.2007年高考湖南理卷理科21(I)(II):已知
The “” and “difference series” introduced in [I] and the 2007 Hunan College Mathematics 21 (I) (II) were in conflict with each other. This article seeks to discuss Hunan’s theory in 2007 from the perspective of “arrival series”. Another solution to 21(I),(II). The 2007 College Entrance Examination of Hunan Lianyungan 21(I)(II): Known