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数学运算能力差是学生普遍存在的问题。思路对,运算途径复杂,往往算错。而选择合理的解题方案,减少运算量,可以提高运算的正确率。不合理的运算常表现在两个方面。一、选用的方案计算量大,只套用头脑中现成的解题模式,不求创新,使简单问题复杂化
Poor mathematics is a common problem for students. The idea is that the computational approach is complex and often wrong. Choosing a reasonable solution to the problem and reducing the amount of computation can improve the accuracy of the calculation. Unreasonable calculations often manifest themselves in two aspects. First, the selected program has a large amount of calculations. It only applies the existing problem-solving patterns in the mind, and does not seek innovation. It complicates simple issues.