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概率是新课程中的热点内容,构造概率模型,以概率的观点研究和处理数学问题,体现了概率与其它数学内容之间的紧密联系.本文通过构造概率模型证几道不等式题,从另一侧面反映了概率的新视角.1利用概率的性质和加法公式证不等式对于一类涉及0与1的不等式,常可考虑构造概率模型,利用概率的性质0≤P(A)≤1及加法公式
Probability is a hot topic in the new curriculum, constructs the probabilistic model, studies and deals with the mathematics question from the probabilistic point of view, embodies the close relation between probabilities and other mathematical contents.Through constructing the probabilistic model to prove several inequality problems, Side reflect the new perspective of probability.1 The nature of the use of probability and the addition of the formula Inequality For a class of inequalities involving 0 and 1, can often consider the construction of the probability model, the use of the nature of the probability 0 ≤ P (A) ≤ 1 and the addition formula