2018年高中数学第一章推理与证明1.2.1综合法课件4北师大版选修2_2.ppt

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第二节 综合法与分析法 综合法,教学目标1理解综合法的思维过程及其特点;2掌握运用综合法证明数学问题的一般步骤,能运用综合法证明简单的数学问题。 教法指导在充分理解综合法的特点的基础上,体会综合法证题的思维过程和步骤;并通过例题的学习和练习逐步学会运用综合法进行简单的数学证明。事实上,我们对综合法应该很熟悉,以前进行的几何、不等式、三角恒等式的证明,大多运用的都是综合法,数学的解答题的解答过程也是运用综合法进行表述的。 重点: 理解综合法的思维过程和特点; 难点:运用综合法证(解)题时,找出有效的推理“路线”;,

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