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在教学中,如果对课本的题目进行深入地研究和拓展,不仅能够开发学生的思维,提高学生应用数学知识解决问题的能力,还能引导学生抓住问题的本质,研究透每个问题,用最少的时间取得最好的效果.下面研究课本一道题目.例设n>1,求证:logn(n+1)>log(n+1)(n+2).证法1:logn(n+1)-log(n+1)(n+2)
In teaching, if we research and expand the textbook topic in depth, we can not only develop students ’thinking, improve students’ abilities to apply mathematical knowledge to solve the problem, but also guide students to grasp the essence of the problem, study every problem, The minimum time to obtain the best results. The following textbook on a topic. Example set n> 1, verify: logn (n +1)> log (n +1) (n +2) 1) -log (n + 1) (n + 2)