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知己知彼,方能百战百胜。同学们只有在认真分析平时解题和考试时经常出现的典型错例后,才能在复习时有的放矢、对症下药,收到事半功倍之效。本文试图从能力方面来分析同学们解题时出现错误的原因,以期帮助同学们提高复习的效率和解题质量。1.思维的片面性思维的片面性是指在分析时缺乏对问题的全面、多端的考虑,不会从多角度全方位分析问题,从整体上把握问题,往往只考虑问题熟悉的一面,而忽视或在无意中排除了另一种情况存在的可能,导致问题的错解和漏解。例1 已知两个实心球密之比是 p_1:p_2=2:3,
Knowing yourself and knowing yourself can only be victorious. Only when the students carefully analyze the typical mistakes that often appear during the usual problem-solving and examinations can the students be able to target and review the disease at the time of review, and receive more effective results. This article attempts to analyze the causes of mistakes made by the students in solving problems from the aspect of ability, in order to help the students improve the efficiency of review and the quality of the problem. 1. One-sided thinking of one-sided thinking refers to the lack of comprehensive and multi-faceted considerations in the analysis. It does not analyze the issue from all angles, and grasps the problem as a whole. It often considers only the familiar side of the problem and ignores it. Unintentionally ruled out the possibility of another situation, leading to the misunderstanding and misunderstanding of the problem. Example 1 It is known that the ratio of two solid spheres is p_1:p_2=2:3.