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理解、把握好运算定律,是每个小学数学教师应该关注的知识内容。本文力求剖析小学数学运算定律的实质,拟利于小学数学教育教学。
Understand, grasp the law of operation, is the primary school mathematics teachers should pay attention to the content of knowledge. This article seeks to analyze the essence of the law of elementary mathematics, intended to benefit the teaching of mathematics in primary schools.