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众所周知,每年高考卷中的北京卷压轴题(即第20题)以其难度大、试题新、创新多而给考生及高考试题的研究者留下鲜活印象,同时也让大部分考生因深感高不可攀而望洋兴叹,最终选择放弃.以至于有不少高中在高三数学复习备考中,对于压轴题的复习完全避之,老师及教研员的理由是:这些题年
As we all know, each year in the college entrance examination volume Beijing scroll (that is, the first 20 questions) to its difficult, new questions and innovations to the candidates and college entrance exam questions researchers left a fresh impression, but also for the majority of candidates due to deep Feeling unbearable and hopeless, and ultimately choose to give up .There are many high school mathematics review in the third year of senior high school entrance examination, the review of the finale of the problem completely avoided, teachers and teaching staff on the grounds that these questions