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乘除法是整个小学数学教材的重点。而对乘除法意义的理解则是学生能否顺利解答应用题的关键。出于数的不同,小学数学教材中的乘除法达十四类之多(每一类又有各自的具体意义)。因为种类过多,致使概念相混,影响着教学质量的提高。如用统一的观点,按知识结构来处理教材,将会使问题大大简化。
Multiplication and division is the focus of primary school mathematics textbooks. The understanding of the meaning of multiplication and division is the key to the students can answer the application questions smoothly. Out of the different numbers, multiplication and division of the primary school mathematics textbooks up to fourteen as many (each category has its own specific meaning). Because too many types, resulting in the concept of confusion, affecting the improvement of teaching quality. If we use a unified point of view, according to the structure of knowledge to deal with teaching materials, will make the problem greatly simplified.