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数学概念是客观事物中数与形的本质属性的反映。它不仅是小学数学基础知识的重要组成部分,也是培养和发展学生数学能力的重要内容。数学概念的教学既是
Mathematical concepts are the reflection of the essential attributes of numbers and forms in objective things. It is not only an important part of the basic knowledge of elementary mathematics, but also an important part of cultivating and developing students’ mathematical abilities. Teaching of mathematical concepts is both