下列方法中最能减小误差的是 A.仔细地测量1枚硬币的厚度b.多次测量1枚硬币的厚度再求平均值c.测量10枚相同硬币重叠起来的总厚度再 Template




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tomski下列方法中最能减小误差的是 a.仔细地测量1枚硬币的厚度b.多次测量1枚硬币的厚度再求平均值c.测量10枚相同硬币重叠起来的总厚度再 coloring