排列组合问题是高考客观题的必考内容.考生若能合理利用解题策略对其进行求解,则既可以准确获得答案,又能节约时间.因此,掌握题型的求解策略是考生不能忽视的复习环节.下面我们通过例题的解析来展示排列组合问题的求解策略.一、枚举法例1小敏打开计算机时,忘记了开机密码的前两位,只记得第一位是M,I,N中的一个字母,第 Arrange the combinatorial questions is the compulsory content of the college entrance examination objective.If the candidates can reasonably use the problem solving strategy to solve them, you can get accurate answers, but also save time.Therefore, to grasp the type of problem solving strategy is the candidate can not be ignored First, the enumeration law 1 Xiao Min open the computer, forget the first two digits of the power-on password, just remember the first one is M, I, N In a letter, the first