A-A+ 某铁矿石中含铁量为39.19% 若甲分析结果是39.12% 39.15% 39.18%;乙分析结果是39.18% 39.23% 39.2 2020-08-27 20:41:12 网课题库 阅读 次 问题详情 某铁矿石中含铁量为39.19%,若甲分析结果是39.12%,39.15%,39.18%;乙分析结果是39.18%,39.23%,39.25%。试比较甲、乙两人分析结果的准确度和精密度。 参考答案 甲精密度高,乙准确度高