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教学内容苏教版《数学》四年级(上册)第48～49页。教学目标1.通过合作探究,找到“两种物体间隔排列,两端相同,外面的物体比里面的多1”这一
Teaching content Sujiao version of “Mathematics” fourth grade (Volume) 48 ~ 49 pages. Teaching Objectives 1. Through cooperation and exploration, find “two kinds of objects arranged at intervals, both ends of the same, the outside of the object more than the inside 1 ”