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同学们学习了二元一次方程组的有关知识后,就可利用这一知识为台阶,借助数学上的其他技巧,顺利求解本文中给出的这类多元不定方程组求值问题.这类问题是数学竞赛的热点题型,求解方法独特且妙趣横生.下面归纳介绍常用的几种解题技巧.技巧一:特殊值法根据填空题或选择题的题型特点,针对只要问题答案而不要解题过程的题型,迅速选取恰当的符合题意的特殊值,即可快速求解.
After learning the relevant knowledge of the binary system of first order equations, the students could use this knowledge as a step and use mathematical techniques to smoothly solve the problem of the evaluation of this type of polynomial indefinite equations given in this paper. It is a hot topic in mathematics competition. The solution method is unique and interesting. The following summarizes and introduces several commonly used problem-solving skills. Tip 1: The special value method is based on the feature type of the fill-in or multiple-choice questions, and it is not necessary to solve the problem as long as the answer to the question. The question type of the process can be quickly solved by quickly selecting the appropriate special value that matches the meaning of the question.