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学习有理数的过程中,在遇到有理数的加减混合运算问题时,同学们若能够根据题目的特点,采用适当的解题技巧,则会使解题过程大为简化.
In the process of learning rational numbers, when students encounter the problem of addition and subtraction of rational numbers, if students can use appropriate problem-solving skills according to the characteristics of the topics, the problem-solving process will be greatly simplified.