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物理来自于生活,更能很好指导我们的实践,服务于人类。在许多涉及的计算问题中,对于结果的取值,也常常根据实际情况,有不同的要求。我将物理取值大致概括为四类:四舍五入;只舍不入;只入不舍;入且取偶。我们交流讨论如下:一、四舍五入
Physics comes from life and can better guide our practice and serve mankind. In many calculation problems involved, the values of the results often have different requirements depending on the actual situation. I generalize the physical values into four categories: rounded; rounded; only displeased; We exchange and discuss as follows: First, round down