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在体育比赛中时常要涉及到分组分配、比赛场次计算、积分计算等计数问题大多数要用到排列组合的有关知识,这需要根据具体条件构建数学模型,进行求解,要注意乘法原理与加法原理的运用,特别
In the sports competition, often involved in the grouping distribution, field calculations, integral calculations and other counting problems most of the relevant knowledge of the arrangement and combination, which requires the construction of mathematical models based on specific conditions, to solve, pay attention to the principle of multiplication and the principle of addition The use of special