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整式的加减是初中数学中的重要内容,它是同学们以后学习方程、函数等知识的基础.这部分内容有许多数学思想和方法,同学们在学习时一定要注意总结.
The addition and subtraction of the whole formula is an important part of junior high school mathematics. It is the foundation for the students to learn the knowledge of equations, functions, etc. In this part, there are many mathematical ideas and methods. The students must pay attention to the summary when they study.