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对于生产、生活中的实际问题,经过认真地分析,找出一个与实际问题相吻合的数学模型,用数学的方法去解决它,能凸显数学的魅力及其应用价值.线段是一种简单的几何图形,但以其为模型可以解决生活中的许多看似很复杂的实际问题.一、如何选址例1某地区有A、B、C、D四个村庄如图1所示.为了解决当地的缺水问题,政府准备投资修建一个蓄水池,不考虑其他因
For practical problems in production and life, after careful analysis, find out a mathematical model that is consistent with the practical problems and solve it by mathematical methods, which can highlight the attractiveness of mathematics and its application value.Segment is a simple Geometry, but using it as a model can solve many seemingly complex practical problems in life.First, how to choose site example 1 A district has A, B, C, D four villages shown in Figure 1. In order to solve The local water shortage, the government is prepared to invest in building a reservoir, regardless of other causes