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在一次自然优质课竞赛活动中,一位老师教《空气占据空间》,分组实验时有的小组实验成功了,有的小组实验失败了。各组实验结果如下图所示:
In a natural quality class contest, a teacher taught “the space occupied by air”, group experiments were successful in some groups, and some experiments failed in some groups. The results of each group as shown below: