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多元函数的最值问题一直是高考数学卷中着重检验考生思维能力和综合素质的重要素材,并在考查力度上有加强、加深、加活之态势.纵观2014年高考卷中的多元函数最值问题,其中辽宁理科第16题最具有代表性,其横向入口较宽,纵向难度较大,技巧性、综合性都很强.下文是笔者对这道试题解法的一点探究,意在抛砖引玉,切磋交流.
The most value problem of multivariate function has always been an important material in the math test of college entrance examination focusing on the examination of students’ thinking ability and overall quality, and strengthened, deepened, Value problem, of which Liaoning science is the most representative of the first 16 questions, the horizontal entrance wide, vertical more difficult, skillful, comprehensive are very strong.The following is the author of this test solution a little exploration, intended to start a discussion, Exchange and discussion.