高考排列组合应用问题中有一类“分组、分配”的问题,由于其问题形式、解答形式变化多端,理解应用起来颇感棘手,现给出这一类问题的统一结论,以便于准确理解、快捷应用. There are a number of problems in the application of the permutation and combination of the entrance examinations. Due to the variety of forms and solutions of the questions, the understanding and application of the solutions are quite troublesome. A unified conclusion on this type of problems is given so as to be accurately understood , Quick application.