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初中新课程中展开和截正方体的问题,主要目标是通过展开与折叠、截正方体的活动过程,发展学生的空间观念·我们了解到,学生找正方体物体或模型资
In the new curriculum of junior middle school, the problem of unfolding and truncating squares is mainly aimed at developing student’s spatial concept through the process of unfolding and folding and cutting squares. We understand that students find cubes or model objects.