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在解题过程中,同学们都希望掌握一手灵活的运算技巧以提高解题的速度。那么巧妙的运算从何而来?它是以知识为基础的,平时要善于总结,牢固地掌握并熟练运用
In the process of solving the problem, the students all hope to master agile calculation skills to improve the speed of problem solving. Where does clever computing come from? It is based on knowledge. It must be good at summing up, and it must be firmly mastered and used skillfully.