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有些数学竞赛题,若能恰当地用字母代替数字.常可简化运算过程,使问题巧妙获解.现以竞赛题为例,举例说明字母代数的应用.一、比较大小
Some math contest questions, if you can properly use letters instead of numbers. Can often simplify the calculation process, so that the problem can be cleverly solved. Now take the contest as an example to illustrate the application of letter algebra. First, compare the size of