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计算能力是数学综合能力的一种体现,快速验算能力是提高学生运算效率和运算准确率的关键。从计算结果范围的估算验证、所得答案代入题目的逆向思维验证、相同问题多解法验证三方面进行研究,旨在提高学生的演算能力。
Computational ability is a manifestation of comprehensive ability of mathematics. Quick checking ability is the key to improve students’ computing efficiency and computing accuracy. From the calculation of the results of the range of validation, the answer into the subject of the reverse thinking verification, the same problem multi-solution validation three aspects of research aimed at improving the ability of calculus.