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习题是小学数学教学的重要组成部分。教师要对现行小学数学教材中仅有的少数习题进行适时、适度地重构,使有限的数学习题产生立体效益,使之
Exercises are an important part of elementary mathematics teaching. Teachers should make timely and appropriate reconstruction of the few minority exercises in current primary school mathematics textbooks so as to make the limited mathematical problems produce three-dimensional benefits so that