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“验证法”是解数学选择题的重要方法,它在解答选择题中有着独特的作用和广泛的应用,那么如何才能用好这种方法帮助解题,针对什么情况使用验证法、使用验证法解题要注意些什么问题呢?本文选取部分省市2010年高考数学选择题为例,对上述问题进行说明.
“Verification ” is an important way to solve mathematical choice, it has a unique role in solving multiple-choice questions and a wide range of applications, so how can we make good use of this method to help solve problems, for what circumstances to use the verification method, the use of Verification law problem solving should pay attention to what the problem? In this paper, some provinces and cities in 2010 college entrance math selection questions as an example, the above problems are described.