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一、必须理解算术各部分的概念,完全掌握各种基础知识.二、必须掌握各种运算法则、顺序、定律和性质,以及参与运算的各数之间的变化关系.三、掌握各类应用题的结构、特点,其中的数量关系以及解答步骤和方法.
First, we must understand the concept of the various parts of the arithmetic, to master all kinds of basic knowledge. Second, we must master the various algorithms, sequences, laws and properties, and the relationship between the various numbers involved in the calculations. Third, to grasp the various applications The structure, characteristics, quantity relations, and solution steps and methods of the questions.