摘要
对数列和与积的解题技巧进行讨论,帮助学生寻找解题途径。
In this paper the solutious for evaluating the sum or product of progressions are discussed so as to help students so find the suitable solving - process as soon as possible.
关键词
数列和
数列积
拆项相约
progression sum, progression product, term - disassembling counteraction
