在探究活动中有时为了避免偶然因素影响实验结果需要进行重复实验然后取平均值.下列探究活动中属于这种情况的是 A.探究馒头在口腔中的变化 Template




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tomski在探究活动中有时为了避免偶然因素影响实验结果需要进行重复实验然后取平均值.下列探究活动中属于这种情况的是 a.探究馒头在口腔中的变化 coloring