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由于数学选择题具有结论唯一的特殊命题结构 ,决定了解选择题除了可用直接法解答外 ,还可使用特殊的方法 ,避免“小题大做” ,2 0 0 0年高考 12道选择题中至少有 6道题可用间接法快速解答 .本文简要分析如下 :1 结论代入法将四个选择支的结论分别代入题中检验相关信息得出正确
Because the mathematics multiple-choice question has a unique special propositional structure of conclusions, it is decided to understand the multiple-choice questions in addition to the direct method solution, and special methods can be used to avoid “overthrowing” and at least six of 12 multiple-choice questions in the college entrance examination in 2000. Questions can be quickly answered by indirect method. This article is briefly analyzed as follows: 1 Conclusion Substitution method will be divided into four questions to test the relevant information into the correct conclusion